15x30_3/4x1 Exact MERV 13 Plus Carbon AC Furnace Filters 6 Pack Cone Filler After an RO system

After an RO system

can have unpleasantly high levels of heavy metals and pesticide residue

1' Touchscreen

Cure Better

It combines iron phosphate and Spinosad

15x30_3/4x1 Exact MERV 13 Plus Carbon AC Furnace Filters 6 Pack Cone Filler After an RO systemNordic Pure Custom MERV 13 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