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Ships within 48 hours · Estimated delivery Aug 28 - Sep 2
The KB ships next business day when in stock
They are used with certain AMST or AMVT air handlers
returns are NOT allowed
and Sleep maximizes energy usage while you sleep
Clean Comfort MERV 11 Pleated Air Filter 16X25X4.5 (5pk) Bathroom The KB ships next businessThis 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
