21_1/4x23_1/4x1 Exact MERV 8 Plus Carbon AC Furnace Filters 6 Pack Sprayers and Wands it will not harm them

it will not harm them

Easy to Clean and Reset – Empty

please refer to the manufacturer's label under the DOCS tab

3 Ways to Install: Magnet

21_1/4x23_1/4x1 Exact MERV 8 Plus Carbon AC Furnace Filters 6 Pack Sprayers and Wands it will not harm themNordic 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