✔ One (1) Natural-Breeze Replacement Humidifier Filter -NB002- ✔ Compatible with & Replacement for: ◾ Honeywell HAC-504AW HAC-504 ''A Filter'',HCM-300T, HCM-305T, HCM-310T, HCM-551, HCM- 560, HCM-630, HCM-631, HCM-632, HCM-710, HCM 1000 Series, HCM-2000 Series ◾ Eviracaire ECM-250i ◾ Sunbeam 1118, 1119, 1120 ◾ Protec WF2 ✔ Dimensions: approximately 6.75 in(outer)/4,75 in (inner) x 4.75 in x 1 in ✔ Dura-Ester Quality with Rigid Construction & Resistant to Mineral Deposit & Built Up ✔ NATURAL-BREEZE is a USA seller of Dura-Ester Washable & Reusable Humidifier Filter. We are an independent Company supplying filters for Humidifiers and Air Purifiers/Cleaners. Any mentions of the other Brand names here are to illustrate compatibility of filters only. This Filter is not an OEM product of the Brand Names mentioned. ✔ This is a NATURAL-BREEZE after-market replacement Filter, Not an OEM product of any brand names mentioned. Buyers are responsible to check with their Humidifier manufacturer's warranty prior to use. Any use of these brand names & Brand model designations is strictly to demonstrate compatibility only. All brand names and logos are the registered trademarks of the respective Brand owners and mentioned in the descriptions to illustrate Compatibility only