21x22x1 Exact MERV 13 AC Furnace Filters 6 Pack X Nutrients Grow Spray 1 Gal You can replace the original

You can replace the original 150-micron screen with the larger screen size of 220-micron which also includes necessary hardware for installation

Replacement HEPA for EnviroKlenz Air System and EnviroKlenz Air System Plus

The running capacitor is an electrical replacement part for the leaf collector control panel

Root-Gel® applies quickly

waterproof combination tester has an easy to read LCD and an automatic shut-off

21x22x1 Exact MERV 13 AC Furnace Filters 6 Pack X Nutrients Grow Spray 1 Gal You can replace the originalNordic Pure MERV 13 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, coughs and sneezes, smog, allergens and other contaminants are removed. MERV 13 furnace filters are comparable to HVAC filters with the rating of MPR 2200