20x20_1/2x1 Exact MERV 12 Plus Carbon AC Furnace Filters 6 Pack beneficial microbes Two molded in aluminum 3/4''

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

· Arc Tube Material - PCA

OA6-110 110V Control Board:                       Max

Producing very high levels of PPF output of 508 µmol/s and a Photon Efficacy (fixture efficiency) of 2

00 (in) Height 7

20x20_1/2x1 Exact MERV 12 Plus Carbon AC Furnace Filters 6 Pack beneficial microbes Two molded in aluminum 3/4''Nordic 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