11_1/2x21x1 Exact MERV 10 Plus Carbon AC Furnace Filters 6 Pack ventilation/air-conditioning All units 175 watts and

All units 175 watts and above are multi-volt capable

Schizaphis sp

Stainless steel

4'W x 8'L x 28 3/4"H

11_1/2x21x1 Exact MERV 10 Plus Carbon AC Furnace Filters 6 Pack ventilation/air-conditioning All units 175 watts andNordic 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