ET-RFL300 Panasonic Air Filter Replacement

The ET-RFL300 Panasonic Projector Air Filter is a must-have to keep your projector's optical elements dust-free. This critical component helps prevent dust accumulation, ensuring optimal performance. A clogged air filter can cause higher operating temperatures due to reduced airflow, which could shorten your projector's lamp life. When you're changing your Panasonic Projector Lamp, it's also wise to replace the filter. Manufacturers recommend replacing the air filter with each lamp change to maintain peak performance. Regularly swapping out your air filter is a simple way to extend the life of both your lamp and projector.

ET-RFL300 Panasonic Air Filter Replacement.

Genuine Replacement Air Filter
180-Day Warranty
Free Ground Shipping on ALL Orders
Orders placed now will ship Monday, 3/16/2026

Sale Price: $46.20

(6)

In Stock

This product can also be used with:

Brand	Model #
Ask Projector Lamp	APU-L4 C421 C431 C431W C510W C520
Eiki Projector Lamp	22040001 22040013 23040049 EK-300U EK-301W EK-302X EK-303U EK-305U EK-306U EK-307W EK-308U EK-308UA EK-309W EK-310W LC-WBS500 LC-XBS500
Panasonic Projector Lamp	ET-LAL500 ET-LAL510 PT-LB280 PT-LB280U PT-LB300 PT-LB300U PT-LB303 PT-LB306 PT-LB306U PT-LB330 PT-LB330U PT-LB332 PT-LB336E PT-LB336U PT-LB353 PT-LB355U PT-LB356U PT-LB360 PT-LB360U PT-LB382 PT-LB383 PT-LB385U PT-LB386 PT-LB386E PT-LB386U PT-LB412 PT-LB423 PT-LB425U PT-LB426 PT-LB426E PT-LB426U PT-LW280 PT-LW280U PT-LW312 PT-LW330 PT-LW330U PT-LW333 PT-LW335E PT-LW335U PT-LW336 PT-LW336E PT-LW336U PT-LW362 PT-LW373 PT-LW375U PT-LW376 PT-LW376E PT-LW376U PT-TW250 PT-TW340 PT-TW341R PT-TW342 PT-TW343R PT-TW350 PT-TW370 PT-TW370U PT-TW371RU PT-TW380 PT-TW381R PT-TX210 PT-TX230 PT-TX310 PT-TX312 PT-TX340 PT-TX350 PT-TX400 PT-TX400U PT-TX402 PT-TX410 PT-TX430 PT-TX440 PT-TX440E PT-TX440U
Air Filters	ET-RFL300

3 Customer Review(s)

5 Star

3 (100%)

4 Star

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Please rate your purchasing experience with Projectorlamps.com and the overall quality of this lamp star

Alright, new lamp's in and bright as day! This ET-RFL300 replacement seems really well-made; much sturdier than some generics we've used. Glad we went with the high-quality bulb from Projectorlamps.com; hopefully, we won't have to mess with this projector again for a good long while.

Reviewed by Reviewed by Anonymous

12/10/2025 5:37:37 PM

Please rate your purchasing experience with Projectorlamps.com and the overall quality of this lamp star

The ET-RFL300 air filter from Projectorlamps. com noticeably improves airflow and keeps dust buildup under control, which makes projector maintenance much simpler. It’s a great way to protect your investment and extend the life of your projector.

Reviewed by Reviewed by Anonymous

7/9/2025 10:21:59 PM

Please rate your purchasing experience with Projectorlamps.com and the overall quality of this lamp star

Admirably reliable projector lamp design

Reviewed by Reviewed by Anonymous

4/27/2025 5:38:00 AM