11 3/8x11 3/8x1 Exact MERV 10 AC Furnace Filters 12 Pack commercial-lighting-fixture Features long life dual ball

Features long life dual ball bearings that are rated at 67

(up to) 1 Wet 23 11 2 Wet 52 24 3 Wet 78 36 1 Dry 7 3 2 Dry 16 7

they shrink to about 25%-30% in size of what they once were

Enhanced spectral output covering full PAR

EASY TO USE: To raise your PPM's follow the directions and hang 1-2 GREEN PADS above your canopy per every 200-400 cubic feet of garden space

11 3/8x11 3/8x1 Exact MERV 10 AC Furnace Filters 12 Pack commercial-lighting-fixture Features long life dual ballNordic Pure MERV 10 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, smoke particles, virus carriers, allergens and other contaminants are removed. MERV 10 furnace filters are comparable to HVAC filters with the rating of MPR 900 1000. While different companies