Clean Comfort MERV 11 Pleated Air Filter 25X25X4.5 (5pk) MERV 8 - 2in These are injection molded from

These are injection molded from polypropylene

304 grade stainless steel and a durable 7-layer copper finish

as R-454B has a GWP (global warming potential) that is nearly 80% lower than the previous refrigerant

The final part of this furnace and AC system is the Goodman GR9S800804CN natural gas furnace which operates at 80% efficiency and is rated at 80k BTU

Clean Comfort MERV 11 Pleated Air Filter 25X25X4.5 (5pk) MERV 8 - 2in These are injection molded fromThis is a package of 5 filters. These filters function at MERV 11 and are ~4. 5 in thick. Most filters labeled 4. 5 in thick are actually ~4. 375 in thick, this is normal. For this thickness of filter we recommend changing your filter every 6 9 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 above MERV 8 helps to