14x25x2 Pleated MERV 7 Air Filters 12 Pack commercial-lighting-fixture When needed

When needed

The FloraFlex Air Bleed Valve (3/4'') can be installed on any mainline to prevent air locks

Inner Dimensions: 1/2''

Pumping raw air into the nutrient solution

When water starts to flow

14x25x2 Pleated MERV 7 Air Filters 12 Pack commercial-lighting-fixture When neededNordic Pure MERV 7 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 7 furnace filters are comparable to HVAC filters with the rating of MPR 600. While different companies use different scales to measure the air filters