26x30x1 MERV 8 Plus Carbon AC Furnace Filters 6 Pack growing-accessories Zenport Saw S330C13 inch Curved

Zenport Saw S330C13 inch Curved Tri-edge Blade

Dose rate may be increased 5-fold for hot spots

Outside Diameter: 40

It measures 11"

26x30x1 MERV 8 Plus Carbon AC Furnace Filters 6 Pack growing-accessories Zenport Saw S330C13 inch CurvedNordic 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