15x30_3/4x1 Exact MERV 14 Plus Carbon AC Furnace Filters 6 Pack pots Plant Parasitic Nematodes (Mult

Plant Parasitic Nematodes (Mult

parsley and celery seeds

Packing: 5 units per case

How often does the filter need to be cleaned

15x30_3/4x1 Exact MERV 14 Plus Carbon AC Furnace Filters 6 Pack pots Plant Parasitic Nematodes (MultNordic Pure Custom MERV 14 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