18x24x1 Pleated MERV 7 Air Filters 12 Pack bio soil * Dimmable and multi-wattage with

* Dimmable and multi-wattage with boost

7mil thick mylar with white PE film backing for added strength

Xtrasun ballasts are not compatible with PX1

automatic calibration with automatically temperature compensated measurements

Magnesium (Mg) 3

18x24x1 Pleated MERV 7 Air Filters 12 Pack bio soil * Dimmable and multi-wattage withNordic Pure MERV 7 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 and other contaminants are removed. MERV 7 furnace filters are comparable to HVAC filters with the rating of MPR 600. While different companies use different scales to measure the air filters