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Top 10 400W Cool Tube of 2020 – Consumer Guide & Reviews

Rank No. #1
iPower GLCLTB6 6 Inch Hydroponics Cool Tube Reflector 250W, 400W, 600W, 1000W HPS MH Grow Light Add-on Wing, High-Reflectivity Aluminum Hood, No Bulbs Included
  • Dimension: 24 x 6 in, air duct: 6''; up to 4’ x 4’ light coverage. Built-in 15 feet heavy-duty lamp cord with E39 ceramic mogul socket and standard hydroponic s-plug (need to be used with iPower ballast)
  • High-reflectivity: painted white panels with 0.4mm highly 95% reflective textured German aluminum, can intensify light and enlarge lighting area
  • Suitable for multiple watts and models: fits for 250W, 400W, 600W, 1000W HPS/ MH grow light system
  • Effective air cool: 6-inch air duct ensure air passes easily through both ends of the reflector for maximum inline air cooling and protect your plants from excessive heat
  • Twice the power and efficiency of most other reflectors: perfect for you to enlarge your grow area and harvest more
Rank No. #2
Rank No. #3
iPower 6 Inch Cool Tube Reflector Hood for HPS MH Grow Light XL Wing
  • Air duct: 6'' Dimension: 29 x 26 x 8 in; up to 5' X 5' Light coverage; fits for 250W, 400W, 600W, 1000W HPS/ MH grow light system
  • Built-in 15 feet heavy duty lamp cord with E39 ceramic mogul socket and standard hydroponic s-plug (Need to be used with iPower ballast)
  • Painted White panels with 0. 4mm highly 95% reflective textured German aluminum, can intensify light and enlarge lighting area
  • 6-inch Air Duct ensure air passes easily through both ends of the reflector for maximum inline air cooling and protect your plants from excessive heat
  • Twice the power and efficiency of most other reflectors. Perfect for you to enlarge your grow area and harvest more!
Rank No. #4
iPower GLCLTB6XL-a 6 Inch Hydroponics Cool Tube Reflector 250W, 400W, 600W, 1000W HPS MH Grow Light Add-on XL Wing, High-Reflectivity Aluminum Hood, No Bulbs Included
  • Dimension: 29 x 26 x 8 in, air duct: 6''; up to 5’ x 5’ light coverage. Built-in 15 feet heavy-duty lamp cord with E39 ceramic mogul socket and standard hydroponic s-plug (need to be used with iPower ballast)
  • High-reflectivity: painted white panels with 0.4mm highly 95% reflective textured German aluminum, can intensify light and enlarge lighting area
  • Effective air cool: 6-inch air duct ensure air passes easily through both ends of the reflector for maximum inline air cooling and protect your plants from excessive heat
  • Twice the power and efficiency of most other reflectors: perfect for you to enlarge your grow area and harvest more
  • Suitable for multiple watts and models: fits for 250W, 400W, 600W, 1000W HPS/ MH grow light system
Rank No. #5
iPower GLCLTB6X2 6 Inch Hydroponics Cool Tube Reflector 250W, 400W, 600W, 1000W HPS MH Grow Light Add-on Wing, 2-Pack, High-Reflectivity Aluminum Hood, No Bulbs Included, 2 Pack
  • Dimension: 24 x 6 in, air duct: 6''; up to 4’ x 4’ light coverage. Built-in 15 feet heavy-duty lamp cord with E39 ceramic mogul socket and standard hydroponic s-plug (need to be used with iPower ballast)
  • High-reflectivity: painted white panels with 0.4mm highly 95% reflective textured German aluminum, can intensify light and enlarge lighting area
  • Suitable for multiple watts and models: fits for 250W, 400W, 600W, 1000W HPS/ MH grow light system
  • Effective air cool: 6-inch air duct ensure air passes easily through both ends of the reflector for maximum inline air cooling and protect your plants from excessive heat
  • Twice the power and efficiency of most other reflectors: perfect for you to enlarge your grow area and harvest more
Rank No. #6
iPower 400 Watt HPS Digital Dimmable Ballast Grow Light System Kits Horticulture Cool Tube Reflector Set XL Wing with Timer, 400W, white
  • 400W Digital Dimmable Electronic Ballast: Support 120V/240V Input; Dimmable Options: 50%, 75%, 100%; 8 Feet heavy-duty power cord included; Stable power output ensure flicker free light
  • 1 x 400W Super HPS Bulb; Color Temperature: 2100K; Optimized spectrum and high PAR (Photosynthetic Active Radiation) to promote healthy plant growth and soonest flourish
  • 1 x Pair of 8-ft adjustable Ratchet Clip Hanger Rope: hold up to 150 lbs; 24-hour Plug-in Mechanical Timer: 15 minutes increments
  • 6-inch Cool Tube Reflector with XL Wing: Up to 5' x 5' light coverage; Built-in 15 feet heavy duty lamp cord with E39 Ceramic Mogul Socket and standard Hydroponic S-Plug; highly 95% reflective textured German aluminum maximizes the light reflected to the plants
  • CAUTION: This system will generate too much heat to be used in an enclosed area without ventilation. Adequate ventilation is required for all iPower grow light systems. We recommend the use of an iPower inline fan
Rank No. #7
iPower GLSETX400DHMCT6XL 400 Watt HPS MH Digital Dimmable Ballast Grow Light System Kits Horticulture Cool Tube Reflector Set XL Wing with Timer, 400W, white
  • 400W Digital Dimmable Electronic Ballast: Support 120V/240V Input; Dimmable Options: 50%, 75%, 100%; 8 Feet heavy-duty power cord included; Stable power output ensure flicker free light
  • 1 x 400W Super HPS Bulb 2100K; 1 x 400W MH Bulb 6000K; Optimized spectrum and high PAR (Photosynthetic Active Radiation) to promote healthy plant growth and soonest flourish
  • 1 x Pair of 8-ft adjustable Ratchet Clip Hanger Rope: hold up to 150 lbs; 24-hour Plug-in Mechanical Timer: 15 minutes increments
  • 6-inch Cool Tube Reflector with XL Wing: Up to 5' x 5' light coverage; Built-in 15 feet heavy duty lamp cord with E39 Ceramic Mogul Socket and standard Hydroponic S-Plug; highly 95% reflective textured German aluminum maximizes the light reflected to the plants
  • CAUTION: This system will generate too much heat to be used in an enclosed area without ventilation. Adequate ventilation is required for all iPower grow light systems. We recommend the use of an iPower inline fan
Rank No. #8
iPower GLSETX400DHMCT6 400 Watt HPS MH Digital Dimmable Ballast Grow Light System Kits Horticulture Cool Tube Reflector Set Add-on Wing with Timer, 400-Watt, White
  • 400W Digital Dimmable Electronic Ballast: Support 120V/240V Input; Dimmable Options: 50%, 75%, 100%; 8 Feet heavy-duty power cord included; Stable power output ensure flicker free light
  • 1 x 400W Super HPS Bulb 2100K; 1 x 400W MH Bulb 6000K; Optimized spectrum and high PAR (Photosynthetic Active Radiation) to promote healthy plant growth and soonest flourish
  • 1 x Pair of 8-ft adjustable Ratchet Clip Hanger Rope: hold up to 150 lbs; 24-hour Plug-in Mechanical Timer: 15 minutes increments
  • 6-inch Cool Tube Reflector with Add-on Wing: Up to 4' x 4' light coverage; Built-in 15 feet heavy duty lamp cord with E39 Ceramic Mogul Socket and standard Hydroponic S-Plug; highly 95% reflective textured German aluminum maximizes the light reflected to the plants
  • CAUTION: This system will generate too much heat to be used in an enclosed area without ventilation. Adequate ventilation is required for all iPower grow light systems. We recommend the use of an iPower inline fan
Rank No. #9
iPower GLSETX1000DHCT6XL 1000 Watt HPS Digital Dimmable Ballast Grow Light System Kits Horticulture Cool Tube Reflector Set XL Wing with Timer, 1000W, White
  • 1000-watt dimmable digital electronic ballast accept input 110-240-volt(ac). dimmable level 50-percent, 75-percent and 100-percent
  • 1 x 1000-watt 2100K super HPS bulb. 6-inch cool tube with XL Wing
  • 1 pair heavy duty rope ratchet. 24-Hour timer
  • 6-inch Air Cooled Hood Reflector: up to 4' x 4' light coverage; Built-in 15 feet heavy duty lamp cord with E39 Ceramic Mogul Socket and standard Hydroponic S-Plug; highly 95% reflective textured German aluminum maximizes the light reflected to the plants
  • Caution: this system will generate too much heat to be used in an enclosed area without ventilation. Adequate ventilation is required for all power grow light systems. We recommend the use of an power inline fan
Rank No. #10
iPower 400W HPS MH Digital Dimmable Ballast System Kits(Cool Tube XXL Reflector) and 1 Pack HPS & MH Indoor Grow Room Light Glasses Combo, 24H Timer
  • 1 x 400W Digital Dimmable Electronic Ballast: Support 120V/240V Input; Dimmable Options: 50%, 75%, 100%; 8 Feet heavy-duty power cord included; Stable power output ensure flicker free light; 1 x 24-hour Plug-in Mechanical Timer: 15 minutes increments
  • 1 x 8-inch Cool Tube Reflector with XXL Wing: Up to 6' x 6' light coverage; Built-in 15 feet heavy duty lamp cord with E39 Ceramic Mogul Socket and standard Hydroponic S-Plug; highly 95% reflective textured German aluminum
  • 1 x 400W Super HPS Bulb: Color Temperature: 2100K; 1 x 400W MH bulb: 6000K; Optimized spectrum and high PAR (Photosynthetic Active Radiation) to promote healthy plant growth; 1 x Pair of 8-ft adjustable Ratchet Clip Hanger Rope: hold up to 150 lbs
  • 1 x HPS & MH Indoor Grow Room Light Glasses: Design for working under a variety of hydroponic grow lights, especially HPS & MH lighting systems; 100% UVA-UVB protection; Meets ANSI Z87+ and CSA Z94. 3 safety standard
  • CAUTION: This system will generate too much heat when using in an enclosed area without ventilation. Adequate ventilation is required for all iPower grow light systems. We recommend the iPower inline fan
Rank No. #11
iPower 6 Inch Cool Tube Reflector and 400W HPS&MH Grow Light Bulb Combo Set for Indoor Gardening
  • AIR DUCT: 6'' Dimension: 24 x 6 in; up to 4' X 4' Light coverage; fits for 250W, 400W, 600W, 1000W HPS/ MH grow light system
  • PREMIUM QUALITY: Built-in 15 feet heavy duty lamp cord with E39 ceramic mogul socket and standard hydroponic s-plug (Need to be used with iPower ballast); Painted white panels with 0.4mm highly 92% reflective textured German aluminum
  • 400W HPS BULB: 55,000 Lumens output, compatible with electronic and magnetic ballast, E39 Base; Exceptional bulb life: 32,000 hours
  • 400W MH BULB: 36,000 Lumens output, compatible with electronic and magnetic ballast, E39 Base; Exceptional bulb life: 12,000 hours
  • PACKAGE INCLUDE: 1 x 6 Inch Cool Tube Reflector, 1 x 400W HPS Bulb,1 x 400W MH Bulb
Rank No. #12
Yield Lab Horticulture 400w HPS Grow Light Cool Hood Reflector Kit Easy Setup Full Spectrum System for Indoor Plants and Hydroponics – Free Timer and 12 Week Grow Guide DVD
  • OPTIMUM COVERAGE: With the enclosed style air cool hood your bulbs are fully utilized and able to project all their power to your plants below with no light wasted. Keep your bulbs cool by easily attaching an inline fan to either of the two 6 inch duct ports on the hood. This is the preferred hood of professional growers for its unsurpassed quality, ability to consistently perform and ease of use
  • INCLUDED COMPONENTS: 1x Yield Lab 400w digital dimmable ballast 120~240V (120V power chord included), 1x Yield Lab 400w high pressure sodium bulb (HPS), 1x Yield Lab Cool Hood Reflector, 1x ratchet light hangers, 1x FREE BONUS Analog timer and in depth 12 week grow guide
  • HIGH PERFORMANCE SUPER LUMEN BALLAST: Featuring dimming control you can effectively reduce lumen intensity and heat as low as 50% for early stages of your plant growth as well as boost the output by 10% with the Super Lumen feature for later flowering stages. Industrial grade internal components provide steady power, increased PAR, eliminates flicker and boosted yields
  • COMPLETE DIGITAL INSTALLATION & 12 WEEK GROW GUIDE: Each Yield Lab Grow Light Kit comes with an easy-to-follow installation guide that walks you through setting up and using your brand new grow light. Our 12 Week Indoor Grow Guide will show you how to maintain a healthy indoor grow room including lighting and feeding schedules, pH and PPM levels, and optimal environmental conditions like temperature and humidity.
  • INDUSTRY LEADING WARRANTY AND TOP CUSTOMER SERVICE: Manufactures warranty covers your ballast for 3 years and bulbs for 1 year. Lifetime support by phone and email and 100% Satisfaction Guarantee
Rank No. #13
iPower 400 Watt HPS MH Digital Dimmable Grow Light System Kits Air Cooled Reflector Hood Set, White (GLSETX400DHMACDIGIT)
  • Power Source Type: Corded Electric
  • Model Number: GLSETX400DHMACDIGIT
  • Item Package Dimensions: 24.0" L x 18.0" W x 11.0" H
  • Item Package Weight: 23.9 lb
Rank No. #14
iPower 400 Watt HPS MH Digital Dimmable Ballast Grow Light System Kits Horticulture Cool Tube Reflector Set Add-on Wing
  • 400W Digital Dimmable Electronic Ballast: Support 120V/240V Input; Dimmable Options: 50%, 75%, 100%; 8 Feet heavy-duty power cord included; Stable power output ensure flicker free light
  • 1 x 400W Super HPS Bulb 2100K; 1 x 400W MH Bulb 6000K; Optimized spectrum and high PAR (Photosynthetic Active Radiation) to promote healthy plant growth and soonest flourish
  • 1 x Pair of 8-ft adjustable Ratchet Clip Hanger Rope: hold up to 150 lbs; 7-day Digital Programmable Timer: Dual Outlets
  • 6-inch Cool Tube Reflector with Add-on Wing: Up to 4' x 4' light coverage; Built-in 15 feet heavy duty lamp cord (UL Listed) with E39 Ceramic Mogul Socket and standard Hydroponic S-Plug; highly 95% reflective textured German aluminum maximizes the light reflected to the plants
  • CAUTION: This system will generate too much heat to be used in an enclosed area without ventilation. Adequate ventilation is required for all iPower grow light systems. We recommend the use of an iPower inline fan
Rank No. #15
iPower 6 Inch Cool Tube Reflector Hood XL and 7 Day Digital Programmable Timer Combo Set for Indoor Gardening, White
  • SPECIFICATION: Air duct: 6-inch; Dimension: 29 x 26 x 8 inch; up to 5' X 5' Light coverage; fits for 250W, 400W, 600W, 1000W HPS/ MH grow light system
  • PREMIUM QUALITY: Painted white panels with 0.4mm highly 95% reflective textured German aluminum, can intensify light and enlarge lighting area
  • DIGITAL TIMER: 8 ON/OFF Programs, 7-DAY Programmable, Flexible Independent Time Settings for Minutes, Hours, Days. Settings Automatically Repeat Weekly & Backed up in Case of Power Failure. Grounded 3-Prong design to ensure safety use
  • ADVANTAGE: This combo can make you control the grow light automatically, plant more conveniently, and it can help reduce the energy to save money. INDOOR USE ONLY
  • PACKAGE INCLUDE: 1 x 6 Inch Cool Tube Reflector Hood XL, 1 x 7 Day Heavy Duty Digital Programmable Electric Timer
Rank No. #16
LED Ceiling Light Modern Flush Mount Light Fixture 50W 3500lm Rhombus Lights for Bedroom Kitchen Living Room Ceiling Lamp,Cool White 6000K Black
  • 【SPECIFICATION】 Power: 50W Max. The size of the ceiling lamp: 33.07 * 26.77 * 2.36 inch. Rectangular lamp tray: L 7.1* W 7.1 inch. Fixing device, non-rotatable. Not dimmable and requires non-dimmable switch. Voltage: 100-240V.
  • 【LONG LIFESPAN】 High-quality aluminum and finished by powder coating , resulting in high-temperature resistance, anti-corrosion, anti-faded, not easy to scratch, and easy to clean, thereby assuring long lifespan (>50000 hrs)
  • 【WIDE APPLICATION】 Designed in a modern shape with rectangle, Easy to Install and recommended for indoor lighting, such as bedroom,kitchen island,living room, dining room etc.
  • 【MORDEN SIMPLE DESIGN】Simplistic line design looks bright and tasteful, matches most styles of interior furnishing, Equivalent to the brightness of a traditional 400 Watt fluorescent tube, save you 85% electricity.
  • 【18 MONTH WARRANTY】 We provide you high-quality products and good customer service. If you have any questions about led ceiling lights,please feel free to contact us.
Rank No. #17
iPower GLSETX1000DHMCT8XXL Horticulture 1000 Watt HPS MH Bulb Digital Dimmable Ballast Grow Light System Kits Air Cooled Tube Reflector Set XXL Wing, 1000W
  • 1000W Digital Dimmable Electronic Ballast: Support 120V/240V Input; Dimmable Options: 50%, 75%, 100%; 8 Feet heavy-duty power cord included; Stable power output ensure flicker free light
  • 1 x 1000W Super HPS Bulb 2100K; 1 x 1000W MH Bulb 6000K; Optimized spectrum and high PAR (Photosynthetic Active Radiation) to promote healthy plant growth and soonest flourish
  • 1 x Pair of 8-ft adjustable Ratchet Clip Hanger Rope: hold up to 150 lbs; 24-hour Plug-in Mechanical Timer: 15 minutes increments
  • 8-inch Cool Tube Reflector with XXL Wing: Up to 6' x 6' light coverage; Built-in 15 feet heavy duty lamp cord (UL Listed) with E39 Ceramic Mogul Socket and standard Hydroponic S-Plug; highly 95% reflective textured German aluminum maximizes the light reflected to the plants
  • CAUTION: This system will generate too much heat to be used in an enclosed area without ventilation. Adequate ventilation is required for all iPower grow light systems. We recommend the use of an iPower inline fan
Rank No. #18
Yescom 6" Air Cooled Cool Tube Wing Reflector Hood 17" x 14" for HPS MH Grow Light Bulbs Indoor Tent Hydroponics
  • Tempered glass 6" cool tube with wing; Streamlined design, quick air cooling and avoids high heat to protect your plant
  • Upgraded 0.6mm thickness aluminum plate with pea texture, high reflectivity up to 95%; Removable extended wings, reflective surface for maximum lighting intensity
  • With UL listed standard E39/E40 ceramic socket for compatibility with most bulbs; Fits for 250W/400W HPS or MH grow light bulbs
  • Standard 6" air vent to fit 6" exhaust fan system (NOT included) and any grow tents
  • Overall Dimension (LxWxH): 17 5/16" x 14" x 6" (44 x 35.5 x 15.24 cm); Assembly is required, easy to set up
Rank No. #19
iPower 8” Cool Tube Reflector Hood with 1-Pair 1/8” 8-Feet Long Heavy-Duty Adjustable Rope Clip Hanger Reinforced Metal Internal Gears for, HPS MH Grow Light XXL Wing
  • APPLICATIONS: The iPower Air Cooled Hood not only provides large reflecting surface, but also effective cooling with the help of fans, filters, and silencers. The reflector can be hung anywhere by using the rope
  • PARAMETERS: Reflector’s dimension: 36 x 32 x 10 in; up to 6' X 6' Light coverage; fits for 250W, 400W, 600W, 1000W HPS/ MH grow light system, Air duct: 8''. The rope:1-Pair 1/8 Inch 8-Feet Long, up to 75-pound weight load capacity per ratchet
  • INTENSIFY LIGHT: The reflector is painted white panels with 0.4mm highly 95% reflective textured German aluminum, can intensify light and enlarge lighting area and perfect for you to enlarge your grow area and harvest more
  • INTENSIFY LIGHT: The reflector is painted white panels with 0.4mm highly 95% reflective textured German aluminum, can intensify light and enlarge lighting area and perfect for you to enlarge your grow area and harvest more
  • PACKAGE INCLUDES: 8 Inch Cool Tube Reflector Hood, 1-Pair 1/8 Inch 8-Feet Long Heavy Duty Rope Clip Hanger
Rank No. #20
MARS HYDRO TS 600W LED Grow Light 2x2 ft Sunlike Full Spectrum Led Grow Lamp Plants Growing Lights for Hydroponic Indoor Seeding Veg and Bloom Greenhouse Growing Light Fixtures Four for 4x4 Coverage
  • SUNLIGHT FULL SPECTRUM GROW LIGHT, Infinite close to natural sun light, full spectrum 3000K 5000K and IR 660nm 760nm RED, suit for all plants whole stages indoor growing, rapid plant response from seed to flower
  • HIGH EFFICIENCY ENERGY SAVING PLANT LIGHT, Consuming only 100 Watts true output with 225 PCS LEDs, more scientifically and energy-efficient! Perfect for 2' x 2' veg stage, 1.5' x 1.5' bloom stage, higher intensity in a MARS HYDRO grow tent, reflective area, or by crossing over using multiple TS600
  • ACHIEVE ENVIOUSLY LARGE HARVESTS with LED LIGHTING: High-performance gardens with new LED technology provide highest PAR/LUMEN output(430μmol/m².s), Max 2.0g yield per wattage (power draw), achieve maximum quality and quantity, much better than traditional 150w HPS grow systems
  • HIGH REFLECTIVE HEAT SINK LED GROW SYSTEM, quickly heat dispersing material aluminum reducing light lost to aisles and walls, increase the light intensity up to 20%, allowing your plants receive more energy and without burning your plants for maximum headroom
  • NOISE-FREE FANLESS LED GROW LAMPS FOR INDOOR PLANTS, Designed for home growers, fans get noisy when long time use, but this LED light board use aluminum make it cooling down instead use fans, bring you a FANLESS QUIET grow experience

Last update on 2020-10-16 / Affiliate links / Images from Amazon Product Advertising API

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