18x18x1 Pleated MERV 13 Air Filters 12 Pack Growing Media Temperature control range: 40 -

Temperature control range: 40 - 95°F

It is foam padded inside and around the mouth

Features:- On/Off Trigger with convenient "on" lock- Heavy-duty 5ft hose- Safety and pressure release valve- Convenient carrying strap- 29-59 PSI

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18x18x1 Pleated MERV 13 Air Filters 12 Pack Growing Media Temperature control range: 40 -Nordic 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