20x30x1 Pleated MERV 13 Air Filters 3 Pack biological fertilizer Safe for beneficials and bees

Safe for beneficials and bees

Pacific Substrates Paddy Poo™ is a broad range compost-based substrate mix that will help you grow incredible mushrooms

or combine to make long rectangular or large square beds

- 1” heavy webbing reinforcements

Compact and lightweight

20x30x1 Pleated MERV 13 Air Filters 3 Pack biological fertilizer Safe for beneficials and beesNordic 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