11_1/2x21x1 Exact MERV 7 Plus Carbon AC Furnace Filters 6 Pack additives refresh it with a gentle

refresh it with a gentle cleaning with a brush or hand wash to get through all of the individual pleats

15 Amps maximum/120 V/ 60 Hz

Eye protection Yes

or seedling trays

chrysanthemum or serpentine leafminer (Liriomyza trifolii)

11_1/2x21x1 Exact MERV 7 Plus Carbon AC Furnace Filters 6 Pack additives refresh it with a gentleNordic 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