This filter is replacing all of the following old filters:
Honeywell 21500 Replacement HEPA Filter (uses 2 HRF-14's)
Honeywell 22500 Replacement HEPA Filter (uses 2 HRF-14's)
Honeywell 23500 Replacement HEPA Filter (uses 2 HRF-14's)
Honeywell 24000 Replacement HEPA Filter (uses 3 HRF-14's)
Honeywell 29500 Replacement HEPA Filter (uses 4 HRF-14's)
The filter fits the following air purifiers:
Honeywell Model 11520 (uses 2 HRF-14's)
Honeywell 12520 Hepa Round Room Air Cleaner (uses 2 HRF-14's)
Honeywell 13520 Hepa Round Room Air Cleaner (uses 3 HRF-14's)
Honeywell 17200 Quiet Care HEPA Air Purifier (uses 2 HRF-14's)
Honeywell 18150 Silent Comfort Air Cleaner (uses 2 HRF-14's)
Honeywell 50150 Round Room Air Cleaner (uses 2 HRF-14's)
Honeywell 50200 Round Room Air Cleaner (uses 2 HRF-14's)
Honeywell 50250 Round Room Air Cleaner (uses 3 HRF-14's)
Honeywell 50300 Round Room Air Cleaner (uses 4 HRF-14's)
Honeywell 50311 Round Room Air Cleaner (uses 4 HRF-14's)
