17x26x1 Exact MERV 8 Plus Carbon AC Furnace Filters 6 Pack air-purification It also ensures your system

It also ensures your system runs at its peak efficiency for removing contaminants

The Dilution Solutions’ CV112 check valve features a poly construction and is for use with Dosatron viton seal units requiring a 1 1/2" connection

while supplying the proper hormones

Serged seams eliminate raw edges that can create and release additional particulate contamination

17x26x1 Exact MERV 8 Plus Carbon AC Furnace Filters 6 Pack air-purification It also ensures your systemNordic 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