Check the listing for details. Replacement Air Filter for select Epson Projectors - ELPAF21 / V13H134A21. Condition: New. Listed at 28.99 USD. A projector's air filter prevents dust from accumulating on the optical elements inside the projector. If you are replacing your lamp, it is a good time to replace your filter. Manufacturers' suggest replacing the filter when changing the lamp to ensure optimal performance. The ELPAF21 filter is compatible with the EPSON EH-TW2800, EH-TW2900, EH-TW3000, EH-TW3200, EH-TW3500, EH-TW3600, EH-TW3800, EH-TW4000, EH-TW4400, EH-TW4500, EH-TW5000, EH-TW5500, EH-TW5800, EMP-TW3800, EMP-TW5000, EMP-TW5500 || EPSON PowerLite Home Cinema 8100 Projector, 8345 1080p 3LCD, 8350 1080p 3LCD, 8500UB, 8700UB 1080p 3LCD || EPSON PowerLite Pro Cinema 7500UB, 9100, 9350 1080p 3LCD, 9500UB, 9700UB 1080p 3LCD || EPSON PowerLite Pro G5150NL, G5200WNL, G5350NL projectors. JASPERTRONICS Current Products Available About Us Contact Us Add to Favorite Sellers Replacement Air Filter for select Epson Projectors - ELPAF21 / V13H134A21 28.99 ELPAF21 A projectors air filter prevents dust from accumulating on the optical elements inside the projector. The air filter plays a crucial role in preventing dust accumulation on the projector's optical components. Should the filter become clogged with dust particles it will reduce the cooling fans’ effectiveness and will result in internal heat buildup, adversely affecting the life of the projector. If you are replacing your lamp, it is a good time to replace your filter. Manufacturers suggest replacing the filter when changing the lamp to ensure optimal performance. Many projectors have a filter warning icon or message that will appear on the screen, when this occurs replace the filter immediately. If you do not have a filter warning icon or message, or simply are not sure, remove the filter and inspect it visually. If there is any buildup, it is too much! Protect your projector and bulb life by regularly changing filters as well as by keeping the projector free from overall dust and debris. These filters are for the following projector models: EH-TW2800, EH-TW2900, EH-TW3000, EH-TW3200, EH-TW3500, EH-TW3600, EH-TW3800, EH-TW4000, EH-TW4400, EH-TW4500, EH-TW5000, EH-TW5500, EH-TW5800, EMP-TW3800, EMP-TW5000, EMP-TW5500 || EPSON PowerLite Home Cinema 8100 Projector, 8345 1080p 3LCD, 8350 1080p 3LCD, 8500UB, 8700UB 1080p 3LCD || EPSON PowerLite Pro Cinema 7500UB, 9100, 9350 1080p 3LCD, 9500UB, 9700UB 1080p 3LCD || EPSON PowerLite Pro G5150NL, G5200WNL, G5350NL Product Details Professional Replacement Air Filter Air filters should be replaced every 6 months to maintain optimal performance! We sell lamps as well - Original Lamps for Original Performance! Buy Smart, Buy Bright, Buy Jaspertronics! We sell lamps as well - Original Lamps for Original Performance! Thank you for stopping by Jaspertronics webspace on eBay! Please do not hesitate to reach out for assistance, direction, or help locating your lamp. With over 18,000 projector models covered with in stock lighting, we have you covered!.