17_1/2x23_1/2x1 MERV 12 Plus Carbon AC Furnace Filters 6 Pack Aeromixer Synthetic Pro Edition The C66 is a microprocessor

The C66 is a microprocessor based Waterproof Conductivity Tester with a rugged one-piece IP67 waterproof casing

• 6 foot power cord

so you can get going

00 - Length (in): 7

a little spray can reduce the odor

17_1/2x23_1/2x1 MERV 12 Plus Carbon AC Furnace Filters 6 Pack Aeromixer Synthetic Pro Edition The C66 is a microprocessorNordic Pure Custom MERV 12 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