13x23x1 MERV 8 Plus Carbon AC Furnace Filters 6 Pack tents-&-tarps or edible grow rooms

or edible grow rooms

your soon-to-be go-to tool in the toolbox

25-inch long Christmas tree and nursery shearing and shaping knife:

Redeveloped with a Botanicare low profile reservoir

Sample nutrients

13x23x1 MERV 8 Plus Carbon AC Furnace Filters 6 Pack tents-&-tarps or edible grow roomsNordic 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