25x32x1 MERV 13 Plus Carbon AC Furnace Filters 6 Pack Chemicals We scatter it around the

We scatter it around the perimeter every few weeks and slug pressure has dropped dramatically

Each Nordic Pure 1" MERV 8 furnace air filter captures airborne particles as small as 3

No more tedious counts

This Little Giant Piggyback Diaphragm Switch converts any manual pump

Intelligent thermal fan controller with on-board processor and digital LCD display

25x32x1 MERV 13 Plus Carbon AC Furnace Filters 6 Pack Chemicals We scatter it around theNordic Pure Custom MERV 13 Plus Carbon air filters are made based on the actual measurements so be sure to measure your current filter to get the EXACT dimensions before ordering. As with all Nordic Pure filters, the effective life of your filter depends on the environment in which you live. We recommend changing 1 and 2 filters every 30 90 days. Our 4, 5 and 6 inch thick filters could last up to 6 months. EXACT MEASUREMENT: Furnace and air condition