The projector 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. Replace it with a new air filter.

1. Turn off the projector and unplug the power cord.v
2. Carefully open the air filter cover. Pull the air filter out of the projector.
3. Place the new air filter in the projector and push gently until it clicks into place.Close the air filter cover.

Features
1. An easy and optimum air filter replacement not only for professional repairmen but also for average home and office users.
2. Made of fine foam, fits in projector perfectly, no modification needed; All you need to do is opening the air filter cover then replace the old one.
3. After changing the air filter, your projector will get better cooling and dust-proof performance; Don't hesitate to replace the air filter when you see a message telling you to clean or replace it.

Note:
Please refer to the projector user manual when replacing the air filter. Normally, the projector user manual is available on manufacturer's website.
We suggest you check either original air filter part number or projector model before ordering it. Changing a projector air filter is pretty easy. Feel free to contact us if you need assistance.