20x28x1 Exact MERV 13 Plus Carbon AC Furnace Filters 6 Pack garden-accessories It comes in three different

It comes in three different roll lengths and two different thicknesses

Nitrided Blades are FoodSafe

Chip: SAMSUNG

reliable spring

and adult forms of soft-bodied insects

20x28x1 Exact MERV 13 Plus Carbon AC Furnace Filters 6 Pack garden-accessories It comes in three differentNordic Pure Custom 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 condition