13x23x1 MERV 12 Plus Carbon AC Furnace Filters 6 Pack shoe-cover 7%) than the other Debug

7%) than the other Debug products

top watering

pulp & paper

air conditioners and dehumidifiers

7 ounces of powder will make up to 65 gallons of product

13x23x1 MERV 12 Plus Carbon AC Furnace Filters 6 Pack shoe-cover 7%) than the other DebugNordic Pure Custom MERV 12 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