Replacement Air Filter for select Hitachi and Maxwell projectors - UX40821 - CP-WU8600, CP-WU8600B, CP-WU8600W, CP-WU8700, CP-WU8700B, CP-WU8700W, CP-WX8650, CP-WX8650B, CP-WX8650W, CP-WX8750, CP-WX8750B, CP-WX8750W, CP-X8800, CP-X8800B, CP-X8800W, DT01871, DT01881, MC-WU8701W, MC-WU8701B, MC-WU8601W, MC-WU8601B, MC-WX8751W, MC-WX8751B, MC-WX8651W, MC-WX8651B, MC-X8801W, and MC-X8801B projectors Easy Installation: Replacing the air filter is straightforward, making it a convenient task during regular maintenance or lamp replacement