Original ET-RFL400 Filter Specifications
| Specification | Parameter |
|---|---|
| Brand | Original / Zorsika |
| Original Model No. | ET-RFL400 |
| Material | HEPA high-efficiency filter material |
| Compatible Models | 12 models (Original series) |
| Recommended Replacement Interval | 2,000-3,000 hours (Original official technical documentation) / 6-12 months |
| Warranty | 180 days |
| Part No. | ET-RFV300 |
ET-RFL400 Projector Filter
Product Overview
The ET-RFL400 is an original filter for the series projectors, using HEPA high-efficiency filter material to block dust from entering the optical engine. Custom-made to original specifications, dimensions and mounting structure are identical to the original, allowing direct replacement. 180-day warranty.
Why Projector Filters Need Regular Replacement
The projector filter is the first line of defense in the optical path dust protection system. If the filter becomes clogged or damaged, dust entering the optical engine can adhere to the LCD/DLP chip, causing black spots on the screen, reduced brightness, and even damage to the optical engine. It is recommended to inspect every 2,000-3,000 hours and replace every 6-12 months depending on the operating environment.
Compatible Models List
PT-LMW Series: PT-LMW460C, PT-LMW420C, PT-LMW380C
PT-LMX Series: PT-LMX460C, PT-LMX420C, PT-LMX380C
PT-LMZ Series: PT-LMZ460C, PT-LMZ425NC, PT-LMZ420
PT-TMW Series: PT-TMW380C
PT-TMX Series: PT-TMX380C
PT-TMZ Series: PT-TMZ400C
3 Pitfalls to Avoid When Purchasing Filters
- Distinguish between disposable vs. washable filters — Some low-end models use washable filters; buying the wrong type will result in incompatibility.
- Pay attention to the filter structure — Some models have an integrated frame design; when purchasing aftermarket filters, verify whether the frame is included.
- Check dimensions — Filter sizes vary significantly across different series within the same brand.
FAQ
Q: How often should the ET-RFL400 filter be replaced?
A: In typical office environments, replace every 6-12 months; in moderate dust environments such as classrooms or meeting rooms, every 4-6 months; in high-dust environments such as construction sites or workshops, every 2-3 months. Observe the filter color—if it turns dark gray or black, it must be replaced.
Q: What is the difference between this filter and the original?
A: It is custom-made to original specifications and can be directly replaced with no compatibility issues. 180-day warranty with faster after-sales response.