Holmes HAP222 replacement air filter trick

The Holmes HAPF21 (G) replacement air filter and the HAP222 itself has been discontinued, but if you still want to keep using it you can buy a Honeywell (or generic Flintar) HRF201B (“U”) filter and cut it to size with scissors. It’s almost exactly the same width and just a little bit longer, and as long as there’s no substantial air leakage it’ll still do a great job of filtering. The carbon pre-filters seem like they’re still somewhat available, but in any case they’re generic too and can also be cut to size.

The only downside is that it’s about 1/4″ too tall for the unit so the lid doesn’t fit tightly anymore, but that often doesn’t matter to me anyway.


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