HUMIDIFIER FILTER REPLACEMENT – The Filters Fast humidifier wick filter is the compatible replacement for Bemis humidifier filter 1041 and compatible replacement for Bemis 400, 500, 600, 4000, and 6000 models. HELPS MAINTAIN FRESHER AIR – The humidifier filter helps with the sediments found in your water, boosts stability, and helps maintain fresher air. Results in higher efficiency for your humidifier. COMPATIBLE MODELS – Humidifier wick filter compatible replacement for BestAir CB41 Wick Filter. Compatible replacement for Bemis, compatible replacement for Essick Air Models: 400-499, 600-699, 4000-4999, 6000-6999, ED11800, ED11910, 4D7800(1041) 04468-5(1041-RPS). COMPATIBLE MODELS – Compatible replacement for Aircare select models, compatible replacement for Essick Air select models, and compatible replacement for Bemis select models. DIMENSIONS – 16.5 inches x 9.75 inches x 5 inches. Compatible replacement for Bemis 1041 humidifier filter. Made in the USA. Filters Fast Compatible Replacement for Bemis 1041 Humidifier Wick Filter The Filters Fast humidifier filter is the compatible replacement for Bemis Waterwick filter 1041. The humidifier filter helps with the sediments found in your water, boosts stability, and helps maintain fresher air. Results in higher efficiency for your humidifier. Dimensions: 16.5 inches x 9.75 inches x 5 inches. Models: Compatible replacement for Bemis models 400, 500, 600, 4000, and 6000. Compatible replacement for BestAir CB41 Wick Filter. Compatible replacement for Bemis and compatible replacement for Essick Air Models: 400-499, 600-699, 4000-4999, 6000-6999 NEW ED11800, ED11910, 4D7800(1041) 04468-5(1041-RPS). ​​Compatible replacement for Aircare. Compatible replacement for Essick Air. Compatible replacement for Bemis: 426300, 426700, 427300, 436300, 447301, 447400HB, 447401, 496600, 496800, 497300, 497800, 4D6800, 4D7300, 4D7800, 4DTS300, 4DTS400 4DTS900, 696100, 696400, 696400HB, 696800, 697400, 697500, 697500HB, ED11600, ED11800, ED11910.