# K901734: Serim Residual Chlorine Test Kit

- Pathway: 510(k) (Traditional)
- Applicant: Serim Research Corp.
- Decided: Sep 13, 1990 after 149 days
- Product code: FKJ (Filter, Blood, Dialysis)
- Device class: 2
- Regulation: 21 CFR 876.5820
- 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; 2 cite 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. FDA has not posted a summary or statement for it, so its predicates are not known.

## Most influential descendants
- K253863: GUARDIAN™ Quick Dip Residual Chlorine (5212) (2026), 0 descendants of its own
- K222167: E-Z Chek Chlorine Residual Test Strips (K100-0101B) (2022), 0 descendants of its own

Source page: https://510kreport.com/device/K901734
Methodology: https://510kreport.com/methodology