At a glance
- Panasonic ET-RFV400 Filter Specification Table
- Panasonic ET-RFV400 Projector Filter
- Product Overview
- Why Projector Filters Need Regular Replacement
- Compatible Model List
- 3 Key Points to Avoid When Purchasing Filters
- FAQ
- Q: How often should the Panasonic ET-RFV400 filter be replaced?
- Q: What is the difference between this filter and the original?
Panasonic ET-RFV400 is the original filter for Panasonic projectors, compatible with 12 models, custom-made to original specifications, directly replaceable, with a 180-day warranty.


Panasonic ET-RFV400 Filter Specification Table
| Specification Item | Parameter |
|---|---|
| Brand | Panasonic / Zorsika |
| Original Model | ET-RFV400 |
| Material | HEPA high-efficiency filter material |
| Compatible Models | 12 models (Panasonic series) |
| Recommended Replacement Interval | 2,000-3,000 hours (Panasonic official technical documentation) / 6-12 months |
| Warranty Period | 180 days |
| Part No. | ET-RFV400 |
Panasonic ET-RFV400 Projector Filter
Product Overview
The Panasonic ET-RFV400 is an original filter for Panasonic series projectors, made of HEPA high-efficiency filter material to block dust from entering the optical engine. Customized to original specifications, with dimensions and mounting structure identical to the original, it can be directly replaced, and comes with a 180-day warranty.
Why Projector Filters Need Regular Replacement
The projector filter is the first barrier of the optical path dust protection system. If the filter is clogged or damaged, dust entering the optical engine will adhere to the LCD/DLP chip, causing black spots on the image, decreased brightness, or even optical engine failure. It is recommended to check every 2,000-3,000 hours and replace every 6-12 months depending on the usage environment.
Compatible Model List
PT-BW Series: PT-BW550C
PT-BX Series: PT-BX650C, PT-BX621C, PT-BX620C
PT-BZ Series: PT-BZ575NC
PT-VW Series: PT-VW535N, PT-VW530
PT-VX Series: PT-VX605N, PT-VX600
PT-VZ Series: PT-VZ470, PT-VZ575N, PT-VZ570
3 Key Points to Avoid When Purchasing Filters
- Distinguish between disposable filters vs. washable filters — Some entry-level models use washable filters; buying the wrong type may prevent installation.
- Pay attention to the filter structure — Some models feature an integrated frame design; when purchasing replacements, confirm whether the frame is included.
- Check the dimensions — Filter dimensions vary significantly across different series from the same brand.
FAQ
Q: How often should the Panasonic ET-RFV400 filter be replaced?
A: In regular office environments, replace every 6-12 months; in moderately dusty environments like classrooms or meeting rooms, every 4-6 months; in high-dust environments like construction sites or workshops, every 2-3 months. Observe the filter color; replace it when it turns dark gray or black.
Q: What is the difference between this filter and the original?
A: Customized to original specifications, it can be directly replaced without compatibility issues. Comes with a 180-day warranty and faster after-sales response.