compatible with the Hitachi, Maxell, and Dukane 456-8928A, 456-8931WA, 456-8934, ImagePro 8928A, ImagePro 8928B, ImagePro 8928C, ImagePro 8930A, ImagePro 8930B, ImagePro 8930C, ImagePro 8931WB, ImagePro 8931WC, ImagePro 8933WC, ImagePro 8934A, ImagePro 8934B, ImagePro 8938WA, ImagePro 8939A, ImagePro 8939B, ImagePro 8940W, ImagePro 8940WA, CP-EW301N, CP-EW301NJ, CP-EW302, CP-EW302N, CP-EX251N, CP-EX252, CP-EX252N, CP-EX301N, CP-EX301NJ, CP-EX302, CP-EX302N, CP-EX401, CP-EX402, CP-EX402N, CP-WX3041WN, CP-WX3042WN, CP-WX3541WN, CP-WX4041WN, CP-WX4042WN, CP-WX3030, CP-WX3030WN, CP-WX3530WN, CP-X2530, CP-X2530WN, CP-X2541WN, CP-X2542WN, CP-X3030, CP-X3030WN, CP-X3041WN, CP-X3042WN, CP-X3542WN, CP-X4030WN, CP-X4041WN, CP-X4041WNJ, CP-X4042, CP-X4042WN, DT01431, and DT01481 projectors. Easy Installation: Replacing the air filter is straightforward, making it a convenient task during regular maintenance or lamp replacement