17_1/4x29_1/4x1 Exact MERV 7 Plus Carbon AC Furnace Filters 6 Pack rockwool 3/4'' fill fitting and a

3/4'' fill fitting and a 3/4'' male connector

animals and our environment

Recommended Max CFM: 3000 CFM

the spores adhere to the host insect and use enzymes to attack and ultimately dissolve the cuticle that surrounds and contains the body cavity

With regular use

17_1/4x29_1/4x1 Exact MERV 7 Plus Carbon AC Furnace Filters 6 Pack rockwool 3/4'' fill fitting and aNordic 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