HEPA Filter, RHCS19, SRX - TRUE H13 Medical Grade
4.9 out of 5 based on 23 reviews.
Online Price: $37.79 USD
This is the factory original OEM True H13 class, Medical Grade HEPA filter (Neutralizer) for the model RHCS19, SRX series Rainbow vacuum.
You should replace your filter once every 2 years. If you need to replace it more often, you should change your water basin in the middle of cleaning. Once the water gets thick with dirt and debris, it becomes more difficult to filter. The dirt will start to bounce off the sludge and go up through the motor and get caught by the HEPA filter.
Be careful not to vacuum up drywall dust or baby powder, as the water has a difficult time filtering this type of material.
Which are the classes of HEPA filters by their retention at the given most penetrating particle size (MPPS)?
| HEPA Class | Retention (total) | Retention (local) |
|---|---|---|
| E10 | >85% | --- |
| E11 | >95% | --- |
| E12 | >99.5% | --- |
| H13 | >99.95% | >99.75% |
| H14 | >99.995% | >99.975% |
| U15 | >99.9995% | >99.9975% |
| U16 | >99.99995% | >99.99975% |
| U17 | >99.999995% | >99.9999% |
Here is a link to more information about HEPA filters and the fraud within the filter industry...Wikipedia
It is better to toss your old filter and not replace it than to buy a generic filter. Generic filters do very little for the air quality while reducing your airflow and performance.
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Latest Item Reviews:
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5/5 By Amy Sharp On Aug 25 2026
"Easy to change, and Rainbow OEM part. The price is definitely the selling part for me."
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5/5 By S.HOLIFIELD On Aug 9 2026
"Perfectly compatible with my Rainbow!"
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5/5 By Cindy B. On Aug 7 2026
"This filter fit very well and was easy to install. Thanks so much!"
