9x27x1 Exact MERV 8 Plus Carbon AC Furnace Filters 6 Pack double-ended Produces more PAR per watt

Produces more PAR per watt than standard Metal Halide

277V power cord included

Shielded 4 conductors 24 AWG UL • A conne

stalks and stems

True 600D weave

9x27x1 Exact MERV 8 Plus Carbon AC Furnace Filters 6 Pack double-ended Produces more PAR per wattNordic 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