FitCheckr

Honeywell compatibility lookup

HCM350 Compatible Replacement Parts

Honeywell HCM350 Cool Moisture Humidifier

Confirmed fits

Honeywell HAC-504 Humidifier Replacement Filter A

Part number: HAC-504 / Filter A

Confidence: 92%

Honeywell HCM350 owners commonly need the HAC-504 / Filter A wicking filter. Replace sooner if the wick is stiff, discolored, or mineral-loaded.

More Humidifier Filters & Wicks lookups

AprilAire
600 / 600M / 600A

Whole-house bypass humidifier

AprilAire
700 / 700M / 700A

Whole-house fan-powered humidifier