The UX36761 filter is compatible with the Hitachi & Dukane 456-8789, 456-8789H, 456-8793H, 456-8794H, Imagepro 8755L-RJ, Imagepro 8789H, Imagepro 8791HW, Imagepro 8792H, ImagePro 8793H, Imagepro 8794H-RJ, Imagepro 8795H-RJ, Imagepro 8888, CPWX8, CPX7, CPX8, CPX9, CPX10WN, CPX11WN, CPWX12WN, CP-X2020, CP-X2021WN, CP-X2520, CP-X2521WN, CP-X3020, CP-X3021WN, DT01141, and DT01191 projectors. Easy Installation: Replacing the air filter is straightforward, making it a convenient task during regular maintenance or lamp replacement