20x20_1/2x1 Exact MERV 12 Plus Carbon AC Furnace Filters 6 Pack beneficial microbes Producing very high levels of
Baker’s notes & crumb story
Description
20x20_1 2x1 Exact MERV 12 Plus Carbon AC Furnace Filters 6 Pack beneficial microbes Producing very high levels of Producing very high levels of PPF output of 508 µmol s and a Photon Efficacy (fixture efficiency) of 2 00 (in) Height 7