Air-Cooled Tube 400 Watt HPS & MH Grow Light Kit (2 Flange Sizes)

The HPS & MH 400 watt Air Cooled Tube Complete System contains all the components you need to start lighting your grow immediately. The cool tube is the most flexible and compact HID grow light reflector.

It can hang horizontally or vertically, so you can get a bulb anywhere you like. Plus, you can vent the heat out, ensuring none of it enters your grow room. Two versions are available: one with 6 inch flanges and one with 8 inch flanges. Please select the size you want above.

Cool Tube MH and HPS 400 Watt System Includes

• 1x Cool Tube Reflector (choose your size above)
• 1x B.Lite 120/240V Digital Dimmable Ballast
• 1x Interlux Super HPS 400 Watt Bulb
• 1x Interlux 400 Watt MH Bulb
• 2x Ratchet Hangers
• 1x Mechanical Timer (1 outlet, 15A)

Features of the 400W HPS & MH Cool Tube Kit

• 2 Sizes: 6 or 8 inch vents; choose your size above, directly beneath the price
• 6 Inch: 25.25" length x 6" diameter
• 8 Inch: 25.25" length x 8" diameter
• Cool and efficient operation: venting air through the Pyrex glass tube keeps your grow room cool and protects the bulb's lifespan by keeping it from overheating
• Removable wings: highly reflective aluminum wings ensure more light hits your canopy
• Internal reflector: highly reflective aluminum inside the tube
• Sealed air-tight design: no heat enters your grow room, if attached to ducting and a fan
• Horizontal or vertical: can be mounted in any way you like to reach shadowy areas
• 15 foot reflector to ballast cord: far more reach than most competing brands
• Versatile ballast: can run 400w, 600w, 1000w SE and DE, HPS and MH bulbs, making it easy to change your kit at any time by simply getting different wattage bulbs
• Resin injected housing: limits RF interference
• Super HPS Bulb: high lumen output and minimal depreciation

• Free shipping on all orders over $100 in the continental US.
• Estimated Arrival: Between Aug 16 and Aug 23.
• You will receive tracking info within 24 hours of shipment.
• Easy returns for up to 90 days, depending on brand (minimum of 30 days).
• Our shipping and returns page has more details, including return info for individual brands.

Warranty Information

You may be wondering why you should buy your grow lights from us, instead of other available authorized dealers. Read on for the answers to all your burning questions.

10 Reasons to Trust Us With Your Business

1. Customer Service. We are here to help and want the best for you. Use our live chat or email or call us during business hours. We are always here for you.
2. Full Warranties and Generous Return Policies. We only carry top American brands that back their products with full warranties and return policies of up to 90 days (details at the bottom of this page).
3. Price Match. We want you to be absolutely secure that you're getting the best price with us, so we've purchased buyer's insurance that guarantees the lowest price. If you find a lower online price within a month after purchase, you will get a refund of up to $500 for the difference.
4. Free 4x Buyer's Insurance. In addition to the low price guarantee, you are also covered against any shipping problems, identity theft and terms of service breaches. And it's all on us (details here).
5. Hassle-Free Returns. If you aren’t absolutely satisfied, return your light within 30 to 90 days, depending on the brand (details here).
6. Free Shipping on orders over $100 to the lower 48 states.
7. No Sales Tax Anywhere (excluding WY).
8. Authorized Dealers. We only carry American brands whose lights have been extensively tested by real growers. 100% US warranty on all products.
9. Buyer's Guides. We have created buyer's guides for both HID and LED grow lights, to help you find the perfect light for your needs. We also have reviews and comparisons of the top 1000w LED grow lights and the top 600w LEDs.
10. Safe & Secure Systems in place for every payment transaction.