17_1/2x21x1 Exact MERV 14 Plus Carbon AC Furnace Filters 6 Pack BVV an 8 oz package makes

an 8 oz package makes up to 800 gallons and a 2 lb package makes up to 3200 gallons

125" x 4")

• Convenient access porthole (porthole cover sold separately)

They also work together to preserve weight and appearance

17_1/2x21x1 Exact MERV 14 Plus Carbon AC Furnace Filters 6 Pack BVV an 8 oz package makesNordic Pure Custom MERV 14 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