29x35x1 MERV 13 Plus Carbon AC Furnace Filters 6 Pack Hydro Components Integra Boost 37mm ROUND 55%

Integra Boost 37mm ROUND 55% PACK - NO OVER WRAP OR HIC CARDS INCLUDED (Case of 3500)

As with all Nordic Pure filters

High quality product

and vigor by revving up biological function at the foliar and root substrate levels—in essence

29x35x1 MERV 13 Plus Carbon AC Furnace Filters 6 Pack Hydro Components Integra Boost 37mm ROUND 55%Nordic Pure Custom MERV 13 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