21x27x1 Trane Replacement MERV 13 Plus Carbon AC Furnace Filters 6 Pack Promote 69” | Finish: Powder Coat

69” | Finish: Powder Coat

Maintains airflow efficiency by creating a seamless connection between two different sized duct openings

and other heavy metals commonly found in municipal tap water

9 x Flora Tube 1/4" OD | 100'

a food processing plant

21x27x1 Trane Replacement MERV 13 Plus Carbon AC Furnace Filters 6 Pack Promote 69” | Finish: Powder CoatNordic Pure Trane Replacement MERV 13 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