21x27x1 Trane Replacement MERV 10 Plus Carbon AC Furnace Filters 6 Pack Ventilation and AV cabinet components

and AV cabinet components

The O Ring is works with the electropolished steel tumbler and also the Quantanium-coated tumblers

the shorter the lifespan

Engineered for maximum efficiency

provides further protection from theft and tampering

21x27x1 Trane Replacement MERV 10 Plus Carbon AC Furnace Filters 6 Pack Ventilation and AV cabinet componentsNordic Pure Trane Replacement MERV 10 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