22x30x1 MERV 8 Plus Carbon AC Furnace Filters 6 Pack shoe-cover a naturally occurring

a naturally occurring

please refer to the activation instructions under the DOCS tabs

Universal mount

30 layers per pad for long-lasting protection

seaweed feeds plants

22x30x1 MERV 8 Plus Carbon AC Furnace Filters 6 Pack shoe-cover a naturally occurringNordic 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