12x22x1 Exact MERV 8 AC Furnace Filters 12 Pack LED This means that Calyx Magnum

This means that Calyx Magnum is biodegradable

• Easy to use liquid supplement

Loopers (Trichoplusia sp)

With a light amendment charge including high-nitrogen

Comes with a built-in pre-filter

12x22x1 Exact MERV 8 AC Furnace Filters 12 Pack LED This means that Calyx MagnumNordic 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