# K090338: Ultra Low Total Chlorine, E-Z Chek Sensitive Total Chlorine

- Pathway: 510(k) (Traditional)
- Applicant: Reprocessing Products Corp
- Decided: May 8, 2009 after 87 days
- Product code: MSY (Strip, Test, Reagent, Residuals For Dialysate, Disinfectant)
- Device class: 2
- Regulation: 21 CFR 876.5665
- Recalls of this device: none
- Data: FDA decisions to Oct 25, 2026; recalls to Oct 12, 2026

## Lineage
No predicates in its family tree.
2 later devices descend from it; 1 cites it directly.
0 of 3 devices in its family (counting itself) have a Class I recall.

## Predicates on the family tree (from the FDA summary)
- None. The FDA summary names its predicate without a number.
- (no number) Serim Ultra 0.1: named in the summary without a submission number

## Most influential descendants
- K193169: Nelson Sentinel Series Basic Chlorine Sentinel (2020), 1 descendant of its own
- K243898: Chlorine Sentinel II (2025), 0 descendants of its own

## Indications for use
The Reprocessing Product Corporation (RPC) Total Chlorine Test Strips are indicated for detection of Free Chlorine and Total Chlorine in water. These Test Strips are indicated for testing water used to prepare dialysate (Free Chlorine and Chloramines) and for testing rinse water following dialysis equipment disinfection (Free Chlorine).

Source page: https://510kreport.com/device/K090338
Methodology: https://510kreport.com/methodology
