Jaspertronics™ Replacement Air Filter for Select Epson Projectors including the EB-455Wi EB-465i - ELPAF34. 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 cleaning the filter every 3 months and 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. This filter is designed specifically for the following projector models: EPSON EB-455Wi EB-465i || EPSON BrightLink 455Wi Interactive. 1 Piece Per Pack. This filter works with the following Projectors; BrightLink 455Wi; EB-455Wi; EB-465i; ELPAF34; ELPAF34 / V13H134A34; V11H440020; V11H440B40; V11H441040; V13H134A34. Enhanced Projector Performance; This air filter prevents dust accumulation on optical components; ensuring optimal image quality and extending the lifespan of your projector; Protects Internal Components; Regular replacement of the air filter helps prevent internal heat buildup caused by clogged filters; safeguarding the projector s internal components. Easy Installation: Replacing the air filter is straightforward making it a convenient task during regular maintenance or lamp replacement. Regularly cleaning and changing your projector s air filter is essential for maintaining performance and longevity; For lamp projectors clean the filter regularly and replace it with every lamp change; For laser projectors aim to replace the filter every 3-6 months; This prevents dust buildup ensures proper airflow reduces overheating risks and protects internal components ultimately preserving image quality and extending the projector s lifespan