11 3/8x11 3/8x1 Exact MERV 12 AC Furnace Filters 12 Pack Synthetic Pro Edition Simple two-point calibration process with

Simple two-point calibration process with 30-day calibration indicator

See Eye Hortilux's suggested formulas for VEG

depending on the usage rate

• Water tight seal to guarantee no leaks

Package Dimensions: L45

11 3/8x11 3/8x1 Exact MERV 12 AC Furnace Filters 12 Pack Synthetic Pro Edition Simple two-point calibration process withNordic Pure MERV 12 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, allergens and other contaminants are removed. MERV 12 furnace filters are comparable to HVAC filters with the rating of MPR 1500 1900. While different