23_1/4x29_1/4x1 Exact MERV 7 Plus Carbon AC Furnace Filters 6 Pack Cleaning Products • Zone 1 and Zone

• Zone 1 and Zone 2 can be completely

Anodized Slate 5 Aluminum Extrusion

and the maximum lumen output on the market

This tester includes features such as a replaceable graphite electrode

True Liberty Bags are The ORIGINAL All-Purpose Home & Garden Bag

23_1/4x29_1/4x1 Exact MERV 7 Plus Carbon AC Furnace Filters 6 Pack Cleaning Products • Zone 1 and ZoneNordic Pure Custom MERV 7 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