12x20x1 Pleated MERV 8 Air Filters 24 Pack fans-ventilation-ducting Designed to flow 25 GPH

Designed to flow 25 GPH (Gallons Per Hour) of pure RO water

Hydrofarm has made it easy to start a tent grow by gathering several vital components into one package

This specialty formula reestablishes beneficial organisms in and around the root zone to stimulate root development

or any other type of growing media

ZeroTol can be used on plants grown indoors or outdoors

12x20x1 Pleated MERV 8 Air Filters 24 Pack fans-ventilation-ducting Designed to flow 25 GPHNordic Pure MERV 8 Pleated AC Furnace Air Filters provide exceptional filtration for both home and commercial environments. Each time air passes through a Nordic Pure pleated furnace air filter, lint, dust, pollen, bacteria, pet dander, dust mites, mold spores and other contaminants are removed. MERV 8 furnace filters are comparable to HVAC filters with the rating of MPR 800. While different companies use different scales to measure the air filters