21x23x1 Exact MERV 8 AC Furnace Filters 6 Pack eligible-for-discount 5) and buffered to pH

5) and buffered to pH 6

The robust construction of the braided ropes and ease-of-use of the carabiner clips make these a must-have for any indoor setup

Contains natural pyrethrins widely used in organic growing because of its rapid breakdown

but in a liquid emulsifiable suspension formula

21x23x1 Exact MERV 8 AC Furnace Filters 6 Pack eligible-for-discount 5) and buffered to pHNordic 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