20x22_1/4x1 Exact MERV 10 Plus Carbon AC Furnace Filters 6 Pack stocked (OPTIMAL – 0

(OPTIMAL – 0

FirmGrip Blue Shoe Cover

to give you a shortcut and a boost to radical oil and resin production

• No absorption into the surrounding environment

20x22_1/4x1 Exact MERV 10 Plus Carbon AC Furnace Filters 6 Pack stocked (OPTIMAL – 0Nordic Pure Custom MERV 10 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