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

Where a pack sits decides how well it works

Thirty Liter Pail (8 US Gal) - dispense with ONA Carbon-Air or refill smaller containers

80 Packets Per Master Case: Bulk volume without stepping up to a several-hundred-count case

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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