16x21_1/2x1 Exact MERV 13 Plus Carbon AC Furnace Filters 6 Pack drying-racks 1-year limited warranty

1-year limited warranty

this cover works to protect the tumbler from outside material

Height: 22"

Included in the box:

This all equates to BETTER QUALITY YIELDS

16x21_1/2x1 Exact MERV 13 Plus Carbon AC Furnace Filters 6 Pack drying-racks 1-year limited warrantyNordic 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