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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
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. #3
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. #4
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. #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 GLCLTB6X4 6 Inch Hydroponics Cool Tube Reflector 250W, 400W, 600W, 1000W HPS MH Grow Light Add-on Wing, 4-Pack, High-Reflectivity Aluminum Hood, No Bulbs Included
  • Power Source Type: Corded Electric
  • 6" Air Duct ensure air passes easily through both ends of the reflector for maximum inline air cooling and protect your plants from excessive heat
  • Item Package Dimensions: 28.0" L x 18.0" W x 18.0" H
  • Item Package Weight: 33.0 lb
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
Hydro Crunch N6CTW400MHHPS 400-Watt Grow Light Digital Dimmable HPS & MH System for Plant with 6" Cool Tube Reflector with Wing, 400W
  • 400W Dimmable Digital ballast 120/240V (120V cord included) x 1
  • 6-Inch Cool tube reflector with wing x 1
  • 400W HPS bulb x 1, 400W MH bulb x 1
  • Rope Ratchet (set of 2) x 1
  • 120V Mechanical timer x 1
Rank No. #9
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. #10
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. #11
iPower GLCLTB6-a 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
  • Twice the power and efficiency of most other reflectors: perfect for you to enlarge your grow area and harvest more
  • 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
Rank No. #12
iPower Horticulture 400 Watt HPS Digital Dimmable Ballast Grow Light System Kits Cool Tube Reflector Set Add-on Wing with Timer
  • 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 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. #13
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. #14
iPower GLSETX1000DHMCT8XXL Horticulture 1000 Watt HPS MH Bulb Digital Dimmable Ballast Grow Light System Kits Air Cooled Tube Reflector Set XXL Wing, Hood 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. #15
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. #16
iPower 8 Inch Cool Tube Reflector Hood XXL and 24 Hour Plug-in Mechanical Timer Combo Set for Indoor Gardening, White
  • SPECIFICATION: Air duct: 8-inch; 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
  • PREMIUM QUALITY: Painted white panels with 0.4mm highly 95% reflective textured German aluminum, can intensify light and enlarge lighting area
  • 24-HOUR TIMER: 15 minute on/off, 24 hour setting, 96 on/off programs. Settings automatically repeat every 24 hours. 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 8 Inch Cool Tube Reflector Hood XXL, 1 x 24 Hour Plug-in Mechanical Electric Outlet Timer
Rank No. #17
6 Lamp/Bulb LED High Bay Light Fixture, 400W Metal Halide Equal, 4000K (Cool White), 17,160 Lumens, Indoor Shop Warehouse Industrial Commercial Grade DLC Premium and UL Listed LED Bulbs Included
  • ✔ Single-sided 18-watt LED T8 tubes included, 4000K Cool White
  • ✔ MAINTENANCE-FREE - No ballast-drama anymore. This 6 Lamp LED high bay light fixtures operates (6) LED T8 Cool White tube lights that bypass the ballast. Simply install the LED tube in its marked location and twist. Our LED high bays are rewired to operate 6 LED T8 Tubes
  • ✔ ENERGY EFFICIENT - Replace costly T8 and T5 fluorescent high lighting fixtures with this LED Linear high bay light. Save 30% energy by switching to LED tubes.
  • ✔ HOW DOES IT WORK - Each high bay Fixture is retrofitted and rewired when an order is placed. We install premium non-shunted tombstones and rewire them so that they accept a single-ended connection. Each T8 has a wide field angle, making them perfect for reflector equipped fixtures. They are DLC and UL listed. Each High Bay light is tested before being boxed and shipped.
  • ✔ 5 YEAR WARRANTY - Buy with confidence, risk-free. Four Bros Lighting five-year warranty got you covered! Contact us for an easy and fast replacement.
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
Yescom 6" Cool Tube XL Wing Reflector Hood for HPS MH Grow Light Bulb Indoor Tent Greenhouse Planting Hydroponics
  • Tempered glass 6" cool tube with XL 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 large wings, reflective surface for maximum lighting intensity
  • With UL listed standard E39/E40 ceramic socket for compatibility with most bulbs; Fits for 250W/400W/600W/1000W HPS or MH grow light bulbs
  • Standard 6" air vent fits to 6" exhaust fan system(NOT included) and any grow tents
  • Overall Dimension (LxWxH): 21 1/4" x 21 3/8" x 6" (54 x 54.3 x 15.24 cm); Assembly is required, easy to set up
Rank No. #20
VIVOSUN Hydroponic 600 Watt HPS MH Grow Light Wing Reflector Kit - Easy to Set up, High Stability & Compatibility (Enhanced Version)
  • Wing Reflector: Over 90% high reflectivity aluminum(no hot-spot) ensures soonest flourish of your plants
  • UL Listed 600W Dimmable Ballst: Runs on 120~240V power supply, comes with 8ft 120V power cord, 250w/400w/600w/super lumens opotional
  • HPS & MH Grow Light Bulbs: High PAR value (Photosynthetically Active Radiation), Superior quality & optimized spectrum to promote growth
  • 24-Hour Mechanical Timer: 15-minute On/Off, 24 hours settings; 125V, 15A, 60Hz, 1/2HP, 1875W Heavy duty construction; Timer mode can be turned off
  • 1/8" Rope Hanger (1 Pair): 8-ft long & 150lbs/pair weight capacity, solid braided polypropylene rope & reinforced metal internal gears to ensure top-safety

Last update on 2020-11-10 / Affiliate links / Images from Amazon Product Advertising API

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