28x32x1 MERV 13 Plus Carbon AC Furnace Filters 6 Pack Ventilation no heat or chemical solvents

no heat or chemical solvents are used

Now available at Hydrofarm

Mycorrhizae

330mm/13-inch

That means if you got some sticky-icky you're trimming

28x32x1 MERV 13 Plus Carbon AC Furnace Filters 6 Pack Ventilation no heat or chemical solventsNordic 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