Ruck 6'' Intake Filter Box with MERV 5 Mat Filter CMH) So the 0-0-4 on the

So the 0-0-4 on the front describes the potash only

Increases root growth and lateral development

this backdraft damper is made for reliable performance in active ventilation setups

Growers using SensiZym in their feeding program will keep root membranes cleaner and free of debris that can impede the rapid absorption of nutrients

Ruck 6'' Intake Filter Box with MERV 5 Mat Filter CMH) So the 0-0-4 on theRuck 6 inch Intake Filter Box with MERV 5 Mat The Ruck 6 inch intake filter box mounts on a 6 in duct or fan collar and pre filters the air pulled into the room. Its MERV 5 (ISO Coarse 45%) fiber mat traps dust, pollen, insects, and larger spores before they reach the canopy. The galvanized steel housing holds up in a humid grow room. It measures 8. 1 x 8. 1 x 7. 8 in and weighs 3. 7 lbs. Keeping Dust and Pests Out of Grow Room Intake Air Growers put