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Ships within 48 hours · Estimated delivery Aug 18 - Aug 23
Combining precise
or gallons per hours
This is the replacement for the WS900E
flexible installation options
Keeping your HVAC system safe from the accumulation of condensation within the air handler
Clean Comfort MERV 11 Pleated Air Filter 20X20X4.5 (5pk) 4 Burners Combining preciseThis 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
