12x22x1 Exact MERV 13 AC Furnace Filters 6 Pack X Nutrients Grow Spray 1 Gal Controllable range from 68 to

Controllable range from 68 to 108 degrees Fahrenheit

- 0-0-0 NPK Can Be Added to Any Schedule

Twist lock End Cap

This product is no longer WSDA certified

12x22x1 Exact MERV 13 AC Furnace Filters 6 Pack X Nutrients Grow Spray 1 Gal Controllable range from 68 toNordic 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