21x27x1 Trane Replacement MERV 7 Plus Carbon AC Furnace Filters 6 Pack new-releases and quick start guide

and quick start guide

Larger Oil Reservoir for longer Oil life

Features a built-in battery backup

and its dishwasher-safe construction means easy and quick cleanup

21x27x1 Trane Replacement MERV 7 Plus Carbon AC Furnace Filters 6 Pack new-releases and quick start guideNordic Pure Trane Replacement 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