Backflow Protection – The air gap built into the fill cap prevents excessive pressure buildup
Weather-resistant housing
Tie strings fasten in the back to keep them out of the way while you work and secure the apron in place
It develops into the adult stage in about one third the time required by other mite predators
Mini 3P Male and Female IP65 dimming ports
12x24x2 Pleated MERV 13 Air Filters 12 Pack Trimmers Backflow Protection – The airNordic 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