17_1/4x17_1/4x1 Exact MERV 7 Plus Carbon AC Furnace Filters 6 Pack lighting-&-electrical-components making it the go-to choice

making it the go-to choice for certified organic operations and eco-conscious growers who refuse to compromise on results

you can ask for it from your supplier

Generous 21

The latest addition to the family

The high porosity level of TerraVesco Vermicompost allows roots to breath and retains moisture while delivering a significant amount of microbiology to the root zone of plants

17_1/4x17_1/4x1 Exact MERV 7 Plus Carbon AC Furnace Filters 6 Pack lighting-&-electrical-components making it the go-to choiceNordic Pure Custom MERV 7 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