The air filters prevent dust from accumulating on the surface of the optical elements inside the projector. If a message is frequently displayed "The projector is overheating. Make sure nothing is blocking the air vent, and clean or replace the air filter", even after cleaning, it is time to replace the air filter. Open the air filter cover, then replace it with a new air filter.New Replacement Projector Air Filter For Sony Video Projector Know As: 3-875-777-01 387577701 / 3-875-777-02 387577702 / 8541713260 / 8541713261Sponge Filter materials: Polyurethane formThis Projector Air Filter Replacement Compatible for Sony Projector Model:VPL-HW55ES VPL-HW55ES/B VPL-HW55ES/W VPL-HW50ES VPL-GH10 VPL-HW10 VPL-HW15 VPL-HW20A VPL-HW20 VPL-HW30ES/W VPL-HW30ES VPL-HW40ESVPL-VW70 VPL-VW80 VPL-VW85 VPL-VW90ES VPL-VW90 VPL-VW95ES VPL-VWPRO1
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