Clean Comfort MERV 8 Pleated Air Filter 20X24X1 (12pk) UV Coil Purifier these are not designed for

these are not designed for long-term regular use but instead for occasional or emergency use

and can't or won't deal with natural gas or propane gas hookups

This system is certified by AHRI under certificate number 215287961

4 SEER2 4 TON 100k BTU multi-position Dual-Fuel packaged unit

Clean Comfort MERV 8 Pleated Air Filter 20X24X1 (12pk) UV Coil Purifier these are not designed forThis is a package of 12 filters. These filters function at MERV 8 and are 1 in thick. For this thickness of filter we recommend changing your filter every 1 3 months for maximum air flow, best filtration, and least wear and tear on your system. Something to note is that human lungs filter air at approximately MERV 8 equivilant. Using filters below MERV 8 does still help and any filtration is better than no filtration. However, by going with a higher