16x22_1/4x1 Exact MERV 8 Plus Carbon AC Furnace Filters 6 Pack discounted Our larger XL model can

Our larger XL model can hold up to 7 lbs per trim cycle

organic soils and coco coir systems

Looking for smaller quantity

Tests for: Nitrate

Make a minimum of three releases

16x22_1/4x1 Exact MERV 8 Plus Carbon AC Furnace Filters 6 Pack discounted Our larger XL model canNordic 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