17_1/4x23_1/4x1 Exact MERV 8 Plus Carbon AC Furnace Filters 6 Pack double-ended Reinforced with Multi-Layer Patented Technology

Reinforced with Multi-Layer Patented Technology

Hangs plants vertically for even drying

container plants

Live Dashboard

fruit & nut trees

17_1/4x23_1/4x1 Exact MERV 8 Plus Carbon AC Furnace Filters 6 Pack double-ended Reinforced with Multi-Layer Patented TechnologyNordic Pure Custom MERV 8 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