20x21x1 Exact MERV 8 AC Furnace Filters 12 Pack extraction The RAW POP Display Rack

The RAW POP Display Rack (EMPTY) provides the perfect way to display NPK's essential elements and bio stimulants in one convenient display

boosting the plant's disease resistance and stimulating accelerated growth

With the 4" and 5" air filters there is a wider variance between the nominal and actual size depending on the manufacturer

Ultra low-flow model

Pre-soak starter grow medium up to 15 min prior to placing new cuttings

20x21x1 Exact MERV 8 AC Furnace Filters 12 Pack extraction The RAW POP Display RackNordic 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