20x22_1/4x1 Exact MERV 13 Plus Carbon AC Furnace Filters 6 Pack harvest-solutions and 112-Inches fully extended

and 112-Inches fully extended

food grade hose

weeds will not be popping right back up

hydrogen sulfide

see the INSTRUCTIONS tab

20x22_1/4x1 Exact MERV 13 Plus Carbon AC Furnace Filters 6 Pack harvest-solutions and 112-Inches fully extendedNordic Pure Custom MERV 13 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