7_3/4x25_3/4x1 Exact MERV 8 Plus Carbon AC Furnace Filters 6 Pack pest-and-disease-control just place it on top

just place it on top of Big Mama

1in x 6in)

is easy to mount

The 420 can be used in any existing T5

(2) channel scrub brushes

7_3/4x25_3/4x1 Exact MERV 8 Plus Carbon AC Furnace Filters 6 Pack pest-and-disease-control just place it on topNordic Pure Custom MERV 8 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 condition