6'' Backdraft Damper meters-&-solutions Apply every 7-14 days during

Apply every 7-14 days during the growing season 1-2 hours after watering

STRONGER & MORE DURABLE – Multi-point reinforced pre-galvanized steel construction and corrosion-proof electro coating

SPECIAL INSTRUCTIONS

Ceramic Cell has revolutionized the cartridge industry

This is a “smart” system—its built-in memory function works with all of your environmental controllers (such as Hydrofarm’s new Autopilot line) and timers

6'' Backdraft Damper meters-&-solutions Apply every 7-14 days duringMade of galvanized steel. Prevents reverse air flow when fans are shut off. Saves CO2 and prevents odors from flowing backwards. Rubber gasket pre installed on exterior for an air tight seal.