Fits checked Oct 1, 2026 · How we check
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Honeywell humidifier filters

44 models, 5 filters. Honeywell room purifiers take lettered filters (R, H, A); the series on the label says which, and some units hold three.

44 models

Most looked-up Honeywell models

HCM-350

Filter: Filter A · part HAC-504

See the fit

HCM-6009

Filter: Filter E · part HC-14

See the fit

HCM-300T

Filter: Filter A · part HAC-504

See the fit

HCM-650

Filter: Filter A · part HAC-504

See the fit

HEV320

Filter: Filter C · part HC-888

See the fit

Shop by filter

5 Honeywell filters across 44 models. Open one to see every model it fits.

Filter A HAC-504
fits 32 models

ECM-250i, HCM-300T, HCM-305T, HCM-310T, HCM-315T, HCM-350, HCM-530, HCM-535, HCM-540, HCM-550, HCM-551, HCM-560, HCM-630, HCM-631, HCM-632, HCM-635, HCM-640BW, HCM-645, HCM-646, HCM-650, HCM-710, HCM-1000, HCM-1010, HCM-2000, HCM-2001, HCM-2002, HCM-2020, HCM-2050, HCM-2051, HCM-2052, HEV312, HEV355

Filter B HAC-700
fits 1 model

HCM-750

Filter E HC-14
fits 7 models

HCM-6009, HCM-6011i, HCM-6011WW, HCM-6012i, HCM-6013i, HEV680, HEV685

Filter C HC-888
fits 2 models

HCM-890, HEV320

Filter T HFT600
fits 2 models

HEV615, HEV620

All 44 Honeywell humidifier models

HCM series

HEV series

Other models

Where is my model number?

The model number is on a label under the water tank or on the base of the unit.

Official site: www.honeywellpluggedin.com. Honeywell air purifiers and portable humidifiers are made under license by Helen of Troy (Kaz). Fit facts often come from honeywellstore.com, a licensed brand store.