9_3/4x23_3/4x1 Exact MERV 7 Plus Carbon AC Furnace Filters 6 Pack Cone Filler which compensates for ageing effects

which compensates for ageing effects

Featuring porous breathable fabric

PLEASE NOTE: All Mite Predators require additional processing time due to rearing and collection times

The ionization tubes should be inspected and replaced periodically per the manufacturer's recommended schedule

Short and open circuit

9_3/4x23_3/4x1 Exact MERV 7 Plus Carbon AC Furnace Filters 6 Pack Cone Filler which compensates for ageing effectsNordic Pure Custom MERV 7 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