8x12x1 MERV 13 Plus Carbon AC Furnace Filters 6 Pack shoe-cover hands-free drainage — ideal for

hands-free drainage — ideal for commercial or unattended operation

3/4 in NPT female inlet and outlet

Feed regularly with an organic plant food

Is approved for use on the day of harvest

8x12x1 MERV 13 Plus Carbon AC Furnace Filters 6 Pack shoe-cover hands-free drainage — ideal forNordic Pure Custom MERV 13 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