# K002839: End Expiratory Filter, Model RT020

- Pathway: 510(k) (Traditional)
- Applicant: Fisher & Paykel Healthcare, Ltd.
- Decided: Oct 4, 2001 after 387 days
- Product code: CAH (Filter, Bacterial, Breathing-Circuit)
- Device class: 2
- Regulation: 21 CFR 868.5260
- Recalls of this device: none
- Data: FDA decisions to Oct 25, 2026; recalls to Oct 12, 2026

## Lineage
No predicates in its family tree.
4 later devices descend from it; 2 cite it directly.
0 of 5 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
- K050927: RT019 Inspiratory/Expiratory Filter (2005), 1 descendant of its own
- K030071: Servo Guard, Model 64 81 290 EH88E (2004), 1 descendant of its own
- K182862: Servo Guard (2019), 0 descendants of its own
- K133666: RT016 Inspiratory Filter (2014), 0 descendants of its own

Source page: https://510kreport.com/device/K002839
Methodology: https://510kreport.com/methodology