510(k) Report

510(k) · Cleared

Cleared

i3 ONE (203100-S);i3 TWO connect (203200-S);i3 TWO direct (203300-S)

K222727510(k) TraditionalCleared Jun 2, 2023267-day reviewClass II21 CFR 876.5665

Data to Oct 25, 2026 (FDA decisions) Oct 12, 2026 (recalls) Sep 30, 2026 (MAUDE) refreshed weekly, last Nov 3, 2026

I3 Membrane GmbH · NHV System, Water Purification, General Medical Use

Cleared on Jun 2, 2023 as substantially equivalent to K153434 (Pall International Sarl, 2016) after a 267-day review. Its family tree reaches back 4 generations to 2001.

Decided
Jun 2, 2023
Review
267 days
Class
Class II
Product code
NHV
Recalls
None
Predicates
1

Its longest line of descent runs back 4 generations to K002045 (2001). No later device cites it as a predicate yet.

  1. Root · 4 generations backK002045 Water Purification System for HemodialysisTotal Water Treatment Systems, Inc. · 2001
  2. 3 generations backK012716 Mainstream Water Purification DevicePrismedical Corp. · 2002
  3. 2 generations backK141731 Nephros Dsu-H, Nephros Ssu-HNephros, Inc. · 2014
  4. 1 generation backK153434 Pall-Aquasafe Water FilterPall International Sarl · 2016
  5. This deviceK222727 i3 ONE (203100-S);i3 TWO connect (203200-S);i3 TWO direct (203300-S)I3 Membrane GmbH · 2023
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−4K002045Water Purification System for HemodialysisTotal Water Treatment Systems, Inc.2001—
−3K012716Mainstream Water Purification DevicePrismedical Corp.2002—
−2K141731Nephros Dsu-H, Nephros Ssu-HNephros, Inc.2014—
−1K153434Pall-Aquasafe Water FilterPall International Sarl2016—
0 (this device)K222727i3 ONE (203100-S);i3 TWO connect (203200-S);i3 TWO direct (203300-S)I3 Membrane GmbH2023—
FIG. 1 — Lineage of K222727, 2001–2023Source: FDA 510(k) summaries, read by 510(k) Report · How lineage is built

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Notable FDA decisions, review times and new Class I recalls. See an issue.

Sources: FDA 510(k) database (decision fields), the FDA summary (predicates and indications), FDA recall and enforcement reports, and MAUDE; processed by 510(k) Report. Verify on FDA.gov · Methodology and accuracy.

Planning a device in NHV? A 510(k) Report weighs predicate choices, recall history and review times for a new device like this one.

Top candidate predicates for a new NHV device

  1. #1 K261470 QF10score 13.2 · 5 generations · no Class I recall
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What was it cleared against? (1)

Devices the submitter claimed this one is substantially equivalent to (*), and reference devices cited for a specific test or feature (†), as written in the FDA summary.

TypeNumberDeviceApplicantDecidedRecalls
*K153434Pall-Aquasafe Water Filter
Summary page 4
…hemodialysis Classification Product Code: NHV Panel: Gastroenterology/Urology Predicate Device: Pall-Aquasafe Water Filter, K153434 Reference Device: Ecolab POU Water Filter, K182164…
Pall International Sarl2016—
†K182164Ecolab POU Water Filter Spray Outlet, Ecolab POU Water Filter Nozzle Outlet, Ecolab POU…Ecolab, Inc.2019—

Also cleared against K153434: 2 other devices →

What descends from it?

No later submission names this one as a predicate yet.

Has anything in its family been recalled? (0 Class I)

No FDA recall names this device.

No ancestor or descendant has a Class I recall.

What does this lineage say?

  • The line of descent spans 22 years and passes through 5 companies; a new generation was cleared every 7.0 years on median.
  • None of the 4 ancestors has a recall.
  • 2 other devices also cite its predicate K153434.

How does its category compare?

All NHV devices

NHV System, Water Purification, General Medical Use: FDA decisions, review times, recalls and adverse event reports over 20 years. 2023, this device’s year, is highlighted.

FDA decisions per year · NHV

1in 2023

2014: 12016: 42017: 12018: 12019: 22023: 12026 (partial year): 1
2007high 4 (2016) · low 0 (2007)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · NHV

203in 2016

2016: 203 days median
2007high 203 (2016)2026

Receipt to decision; years with fewer than 3 clearances left blank.

Recalls per year · NHV

No recall names NHV since 2007.

Adverse event reports per year · NHV

1in 2025

2017: 12018: 22019: 12022: 42025: 1
2007high 4 (2022) · low 0 (2007)2025

MAUDE reports naming product code NHV, not matched to any one device; reports are not rates.

View these four charts as a table
YearDecisionsMedian 510(k) review, daysRecalls (Class I)MAUDE reports
20070—00
20080—00
20090—00
20100—00
20110—00
20120—00
20130—00
20141—00
20150—00
2016420300
20171—01
20181—02
20192—01
20200—00
20210—00
20220—04
20231—00
20240—00
20250—01
20261—0—

What is it indicated for?

The intended use of the i3 Membrane Water Filters i3 ONE, i3 TWO connect, i3 TWO direct is to filter EPA quality drinking water. The i3 Membrane Water Filters retain bacteria, which may aid in infection control. The filters produce water that is appropriate for washing and drinking, superficial wound cleansing (minor cuts, scrapes and abrasions), cleaning of equipment used in medical procedures and washing of surgeon's hands. The i3 Membrane Water Filters are not intended to provide water that can be used as a substitute for USP grade sterile water.

Indications for use as stated in the FDA summary.

Cite this page

510(k) Report. “K222727: i3 ONE (203100-S);i3 TWO connect (203200-S);i3 TWO direct (203300-S).” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 5, 2026. https://510kreport.com/device/K222727

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Record history
  • FDA decision record loaded May 2, 2026
  • Summary read Oct 13, 2026 (extraction version 9eaa42aa01ed)
  • Lineage and recalls computed Nov 3, 2026
  • Page last updated Nov 3, 2026