15x30_3/4x1 Exact MERV 12 Plus Carbon AC Furnace Filters 6 Pack growing-accessories Protect your plantings with Safe-Grow

Protect your plantings with Safe-Grow Greenhouses

Qty: 2 Rolls per Box

Self cleaning sap groove keeps blades from sticking

Heavy RED Spectrum

preserving beneficial microbes

15x30_3/4x1 Exact MERV 12 Plus Carbon AC Furnace Filters 6 Pack growing-accessories Protect your plantings with Safe-GrowNordic 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