Active Air-Perma Duct grow-light-reflectors • Processes 16-20 lbs per

• Processes 16-20 lbs per hour

Their square shape makes them ideal to line up side by side in your grow trays—no wasted room

optional calibration and a remote 15' low drift CO2 sensor with photocell

zinc oxide

Bulletproof Si 5% has additional natural components including amino acids and Ascophyllum nodosum

Active Air-Perma Duct grow-light-reflectors • Processes 16-20 lbs perSuperior 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.