17_1/4x23_1/4x1 Exact MERV 12 Plus Carbon AC Furnace Filters 6 Pack fluorescent-lighting Bacterial Soft Rot

Bacterial Soft Rot

mixed directly into media or used as a broadcast fertilizer

Where other rockwool brand manufacturers cut all sizes from one batch of wool

poultry and swine facilities

When you are looking for flexibility

17_1/4x23_1/4x1 Exact MERV 12 Plus Carbon AC Furnace Filters 6 Pack fluorescent-lighting Bacterial Soft RotNordic Pure Custom MERV 12 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