18x28x1 Exact MERV 10 Plus Carbon AC Furnace Filters 6 Pack aaron Super sharp blades are engineered

Super sharp blades are engineered to stay that way longer

• ETL Certified in the USA & Canada for fire and electrical safety

*FOR INDOOR APPLICATION

and Ultra PK for optimum results

Includes a commercial-grade coiled hose for directing ULV chemical mist

18x28x1 Exact MERV 10 Plus Carbon AC Furnace Filters 6 Pack aaron Super sharp blades are engineeredNordic Pure Custom MERV 10 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