17_1/2x23_1/2x1 MERV 13 Plus Carbon AC Furnace Filters 6 Pack pumps-and-irrigation-supplies macro and micro minerals

macro and micro minerals

direct contact needs to be made with the pest insects

Terpinator is not intended for use as a foliar spray

which makes cleanup easier and less frequent

17_1/2x23_1/2x1 MERV 13 Plus Carbon AC Furnace Filters 6 Pack pumps-and-irrigation-supplies macro and micro mineralsNordic 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