Hydrofarm Perma Duct with Clamps, 6" - 25' Timers and Instruments Once all dust is removed

Once all dust is removed the filter is good to be used again

it’s also used in various air circulation and ventilation projects including hydroponic grow rooms and tents

Easy to clean

It is well known that seeds will often germinate much more easily when provided with temperatures 10°F-20°F above room temperature

Hydrofarm Perma Duct with Clamps, 6" - 25' Timers and Instruments Once all dust is removedSuperior performance in premium air ducting. Though it is value priced, it is comparable to the leading premium ducting on the market. This ducting is airtight, easy to install, and resists tearing and punctures. The smooth interior also aids in noise reduction. It is available in six different sizes, and sold in 25' lengths. Set of 2 stainless steel clamps included.