Equivalent HEPA Filter: 21500 Fits Models Honeywell Enviracaire Air Purifiers: 11500, 11502, 11520, 17200, 17205, 17205-CST, 18150, 18155, 61500. Sears Kenmore: 11500, 11520, 11525, 11526, 17200, 17210, 18150, 32182, 50150, 51500, 61500, 83160, 83161, 83169, 83330, and 8330c (21600). True HEPA filter 99.97% effective at removing particles as small as 0.3 microns from the air that passes through the filter Honeywell 21500 replaces filter 26500. Replace every 1-3 years depending on use and environmental conditions. Made in the USA Approximate Dimensions: 14 1/4" OD x 9 1/4" ID x 6 1/8" H
** Ships Same Day **
(In-Stock)