Quest Air Filter for PowerDry 4000, CDG174 and Dual Overhead 105, 155, 165, 205, 225 Dehumidifiers Size:Quest Replacement Air Filter for PowerDry 4000 & Dual 105, 155, 205, & 225 Only Models - for CDG 174 (12/Cs) light and CO2 levels in

light and CO2 levels in your room attaches to the controller with a 15 ft cord

Single button control

205 and 225 only

The Ares® Series CO2 generators provide a clean and efficient way to enrich your grow area with CO2

Quest Air Filter for PowerDry 4000, CDG174 and Dual Overhead 105, 155, 165, 205, 225 Dehumidifiers Size:Quest Replacement Air Filter for PowerDry 4000 & Dual 105, 155, 205, & 225 Only Models - for CDG 174 (12/Cs) light and CO2 levels inReplacement MERV 11 filter for the Quest PowerDry 4000, CDG174 and Dual 105, 155, 165, 205 and 225 Dehumidifiers. Captures particles (including mold spores) down to 1 micron. Filter size is 20 in x 16 in x 2 in.