17_1/2x27x1 Trane Replacement MERV 12 Plus Carbon AC Furnace Filters 6 Pack ac-dehumidification-humidification Tie strings are secured in

Tie strings are secured in the back so they're out of the way while you work

• High Cation Exchange Capacity

sealed environments

Each towelette comes in an individually wrapped packet that is easy to slip into a purse

delivering more usable light per watt consumed

17_1/2x27x1 Trane Replacement MERV 12 Plus Carbon AC Furnace Filters 6 Pack ac-dehumidification-humidification Tie strings are secured inNordic Pure Trane Replacement 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