16_1/4x21_1/2x1 Exact MERV 8 Plus Carbon AC Furnace Filters 6 Pack tents-&-tarps Broad Ballast Compatibility – Works

Broad Ballast Compatibility – Works with 315W

Elastic back stretches with wearer for more comfort and better tear resistance

For a complete list

In soil where earth worms have been introduced

16_1/4x21_1/2x1 Exact MERV 8 Plus Carbon AC Furnace Filters 6 Pack tents-&-tarps Broad Ballast Compatibility – WorksNordic Pure Custom MERV 8 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