11_1/2x11_1/2x1 Exact MERV 12 Plus Carbon AC Furnace Filters 6 Pack cloning-and-seed-starting Used to turn on equipment

Used to turn on equipment from other power circuit

For stronger

- Trichoderma harzianum Rifai strain T-22

Exceptional Efficiency – 2

Developed for use in soilless

11_1/2x11_1/2x1 Exact MERV 12 Plus Carbon AC Furnace Filters 6 Pack cloning-and-seed-starting Used to turn on equipmentNordic 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