21x27x1 Trane Replacement MERV 7 Plus Carbon AC Furnace Filters 6 Pack Lighting RAW® Classic Single Wide size

RAW® Classic Single Wide size rolling paper with a double feed window

Now you can BUBBLE while you TUMBLE

To make installation even easier

Dimensions: 30″ L x 13″ W x 28″ H

and root development

21x27x1 Trane Replacement MERV 7 Plus Carbon AC Furnace Filters 6 Pack Lighting RAW® Classic Single Wide sizeNordic 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