20x20_1/2x1 Exact MERV 12 Plus Carbon AC Furnace Filters 6 Pack beneficial microbes Adapts 8 inches to 6

Adapts 8 inches to 6 inches | Product Length: 8

00 (in) Height 7

designed to replace a single-ended 150W HPS

Two molded in aluminum 3/4'' drain inserts ensure the drain attachment spot will never break

20x20_1/2x1 Exact MERV 12 Plus Carbon AC Furnace Filters 6 Pack beneficial microbes Adapts 8 inches to 6Nordic Pure Custom MERV 12 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