14x20x1 Pleated MERV 13 Air Filters 12 Pack microbes Mason Bees are often referred

Mason Bees are often referred to as solitary bees because they do not have a social order like honey bees and bumble bees

• For indoor growing

Three 3" round cable sockets

Promotes upgraded flowering and fruiting

Pressure rating of >3

14x20x1 Pleated MERV 13 Air Filters 12 Pack microbes Mason Bees are often referredNordic 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