12 inch Backdraft Damper

Lights

Find the best indoor grow lights for your greenhouse garden. We have over 1000 products in our lighting category including High Intensity Lights (Hight Pressure Sodium & Metal Halide), LEDs, Induction Lights, Fluorescents, CFLs, Plasma, and more. To learn more about HID lighting read our buyers guide. More »

Nutrients

Check out our Nutrient Buyers Guide to help you purchase the right nutrient for your growing needs. Find the best nutrients for soil, soilless, and hydroponic gardens. Choose from the top brands including: Advanced Nutrients, Botanicare, Earth Juice, FoxFarm, General Hydroponics, Heavy 16, Technaflora, and more! More »

Air - Water - CO2

Search this category for products relating to CO2, Fans, Ventilation, A/C, Chillers, Pumps, Tubing, Water Components, and more. Not sure what size fan you need? View our post on Choosing The Correct CFM Fan. Also view our Fan Noise Test. More »

Soil - Media

Shop for different media depending on your style of growing. We carry hundreds of sale-priced media for your growing needs! More »

Pots - Trays

We carry all of the essential hydroponic and soil gardening containers. Our large selection of pots, mesh pots and net pots, grow bags, flood tables, reservoirs, benches/stand, and buckets, will ensure you have the right container for your gardening media. More »

Plant Care

We carry all your basic and expert needs to combat any pests or diseases in your grow room. Ranging from organic sprays and fungicides to sticky traps and bug screens we have everything that can protect, prevent, and destroy all the harmful elements that can develop in your garden. More »

Propagation

The process of creating new plants from a variety of sources: seeds, cuttings, bulbs and other plant parts. We carry everything you need to get your cuttings or seedlings started. Some of our most popular items are:Clonex, Rootswell Rooting Plugs, & Grodan Rockwool A-OK Plugs. More »

Climate Control

If you are ready to take your indoor gardening supplies to a whole new level, environmental controls are the way to go. The controls we offer provide features like CO2 enrichment and monitoring, cooling thermostats, cycle light timers and fan speed control. We also have environmental controllers that do it all. More »

Systems

Find the best hydroponic or indoor gardening system to fit your specific needs and preferences. We have all types of hydroponic systems, including ebb and flow, deepwater culture, aeroponics, nft, and more. More »

Tents - Greenhouse

Find everything you need to build and maximize the potential of your grow room. We have tents, reflective materials, drying racks and much more. More »

Tools - Gear

Get the right tool for the job. We have over 250 instruments to help you accomplish your goals: including measuring materials, loupes, microscopes, trimming devices, scissors, extraction bags, bubble machines, books, plant stakes & cages, and more. More »

Disclosure : This site contains affiliate links to products. We may receive a commission for purchases made through these links.

Atmospheres all new galvanized steel back draft dampers fit directly into the duct simplifying installation. They feature a shaft for each of the 2 flaps so to prevent jamming. Also, the flaps close onto a perimeter gasket ensuring the best air seal and quiet operation.

Related Products :

Top Sellers
- Sentinel BRT-1aLR WM Basic Recycle Timer – Low Range (Wall Mount)
  
  WALL MOUNT VERSION The BRT-1aLR Basic Recycle Timer – Low Range is designed to control equipment that has to be turned ON and OFF at precise, Read More »
- Klasmann Base Substrate 2 Medium Plus Perlite 4.0 cu ft *DISCONTINUED*
  
  Klasmann has been producing high quality peat products for 101 years. Its not just another bale of peat, but high quality European white peat. White peat Read More »
- B’Cuzz Growth 1.0 – 0 – 0.7 — Quart
  
  BCuzz® Growth has been developed specifically to stimulate the growth phase and it is a necessary supplement to normal nutrition. It is an all-in-one growing stimulator, Read More »
- Humboldt Grow Natural 3-1-3 — 5 Gallon
  
  Humboldt Nutrients Grow Natural is an ultra-concentrated natural grow formula designed to give your plants the nutrient-rich foundations needed during the vegetation and flowering period. Used Read More »
- Actino-Iron 0 – 0 – 0 — 3 lbs
  
  Actino-Iron® is a unique granular soil additive that combines the Actinovate® organic fungicide with organic iron and humates. It is a professional product that is used Read More »
- T5 2′ Replacement 6500K Bulbs, 24W – 4 Pack
  
  T5 2′ Replacement 6400K Bulbs Hydrofarm’s T5 replacement tubes offer HO light output at a great price. Full daylight 6400k spectrum, rated for 20,000 hours of Read More »
- Fast Fit Light Hanging Bar 2 ft
  
  Tool-less Assembly! To be used with the light stand uprights: Actual length: 45″. For use with 2ft x 4ft tray stand. Includes 2pc. Hanging brackets. FastFit Read More »
- Awesome Blossoms 2-11-11 — 1 L
  
  Awesome Blossoms„¢ is a scientifically blended superior flower stimulant designed to nurture prolific and bold blooms in all your flowering plants. This ultra-fertilizing tincture of super Read More »
- Advanced Nutrients – Connoisseur Bloom Part B pH Perfect 23 L
  
  The combination of the pH Perfect Technology, simplified mixing rates, and level of chelation in the balanced nutrient ratios ensure that crops always have access to Read More »
- Planters Pride 20 Pellet Refill Kit
  
  Fiber Grow is made from coir, a highly renewable resource and 100% biodegradable. They offer all the benefits of peat without the harmful effects on the Read More »
- MrCool DIY Series Ductless Mini-Split Heat Pump System 17.5 SEER – 12,000 BTU with WiFi
  
  A MRCOOL DIY Series heat pump is the only ductless mini-split system on the market explicitly designed for amateur installation. You don’t need special tools or Read More »
- Method Seven Glasses – Coup Perfect Color Plus+ HPS
  
  Method Seven Rendition HPS Plus+ lenses provide Perfect Color in the grow room that is only possible with our patent pending formulation of rare earth elements Read More »
- Titan Controls Oceanus 1 Controller
  
  The Oceanus 1 – Flo-n-Gro„¢ Controller features fully digital technology. The 24 hour timer allows you to set several watering patterns for your plants. LED lights Read More »
- Eco Pumps Replacement Fittings — 3/4 inch Barbed X 1 inch Threaded
  
  Replacement inlet and outlet fittings for EcoPlus® submersible water pumps. All threaded fittings are in national pipe threaded (NPT) measurements. Read More »
- Lamp Cord with Socket 15ft – HPS/MH
  
  Flexible €œpigtail” strain relief. 5kv mogul base socket. Aluminum socket cap. 15 lamp cord with socket for use with all mogul based HPS & MH lamps Read More »

12 inch Backdraft Damper

Related Products :

Top Sellers

New Products

FEATURED PRODUCTS

WHAT’S HOT

Our Picks