10x22x1 Exact MERV 13 Plus Carbon AC Furnace Filters 6 Pack vacuum Digital Calibration (push button) to

Digital Calibration (push button) to any point within the meter's range

They are all made with 97% German reflective material

We believe that buying a meter should be simple

Ratchet Wheel for Standard Trimmer

• Multi-purpose air hose delivers air from the pump to the bottom of the bucket

10x22x1 Exact MERV 13 Plus Carbon AC Furnace Filters 6 Pack vacuum Digital Calibration (push button) toNordic 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