21x23_1/2x1 MERV 7 Plus Carbon AC Furnace Filters 6 Pack ventilation - Kills and controls fusarium

- Kills and controls fusarium

E-ballast compatible

Large electrical tab accepts 2/0 to 6/0 wire on the TAP side & 1/0 to 300MCM wire on the MAIN side

Ship ETA: 7/16

21x23_1/2x1 MERV 7 Plus Carbon AC Furnace Filters 6 Pack ventilation - Kills and controls fusariumNordic Pure Custom MERV 7 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