20x26x1 MERV 8 Plus Carbon AC Furnace Filters 6 Pack Water Pumps & Irrigation Supplies we recommend that all surfaces

we recommend that all surfaces should be thoroughly cleaned and disinfected with Gard’nClean GC Liquid before performing a Fast Release Gas Treatment

This ensures an airtight seal that will keep particles out and exhaust flowing one way

neoprene inserts

This product is recommended for end-of-season deep cleaning of structures/irrigation lines/tanks and whitewash removal to create a cleaner environment for new crops to be established

Directions for use

20x26x1 MERV 8 Plus Carbon AC Furnace Filters 6 Pack Water Pumps & Irrigation Supplies we recommend that all surfacesNordic 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