29x35x1 MERV 13 Plus Carbon AC Furnace Filters 6 Pack spl_magfan 4 sheets of 25 inserts

4 sheets of 25 inserts (pack of 100)

Traditional DRY SIEVE - Add dry-ice for better

and temperature thresholds for two separate zones from one controller

and a decontaminant which dissipates rapidly

we have perfected a uniquely enriched blend that we know you’ll love

29x35x1 MERV 13 Plus Carbon AC Furnace Filters 6 Pack spl_magfan 4 sheets of 25 insertsNordic 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