13_1/4x13_1/4x1 Exact MERV 7 Plus Carbon AC Furnace Filters 6 Pack veg nutrients 4 cm / 10""

4 cm / 10""

and up to 48 2-gallon modules

PLEASE NOTE: All Mite Predators require additional processing time due to rearing and collection times

Single 7 amp

13_1/4x13_1/4x1 Exact MERV 7 Plus Carbon AC Furnace Filters 6 Pack veg nutrients 4 cm / 10""Nordic 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