11_1/2x21x1 Exact MERV 7 Plus Carbon AC Furnace Filters 6 Pack additives chrysanthemum or serpentine leafminer (Liriomyza

chrysanthemum or serpentine leafminer (Liriomyza trifolii)

and dictyospermum scale

Eye protection Yes

or you can create a custom setup by purchasing individual components

15 Amps maximum/120 V/ 60 Hz

11_1/2x21x1 Exact MERV 7 Plus Carbon AC Furnace Filters 6 Pack additives chrysanthemum or serpentine leafminer (LiriomyzaNordic 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