510(k) Report

510(k) · Cleared

Cleared

Gambro Water Purification Unit, Models Wro 300 and Wro 300 H

K093608510(k) TraditionalCleared Jul 29, 2010251-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

Gambro Renal Products, Inc. · FIP Subsystem, Water Purification

Cleared on Jul 29, 2010 as substantially equivalent to K042797 (Gambro Renal Products, 2005) after a 251-day review. Its family tree reaches back 2 generations to 1981. 13 later devices descend from it.

Decided
Jul 29, 2010
Review
251 days
Class
Class II
Product code
FIP
Recalls
None
Predicates
1

Its longest line of descent runs back 2 generations to K811678 (1981). 13 later devices descend from it, 5 citing it directly.

Descendants, by year cleared 2013: 1 descendant cleared2020: 1 descendant cleared2019: 1 descendant cleared2015: 1 descendant cleared2011: 1 descendant cleared2014: 2 descendants cleared2018: 1 descendant cleared2023: 1 descendant cleared2025: 2 descendants cleared2024: 1 descendant cleared2022: 1 descendant clearedK811678 · Gambro Water Purification Monitor WRD · Gambro, Inc. · 1981K042797 · Wro 300 Water Purification System for Hemodialysis · Gambro Renal Products · 200519801990200020102020
Descendants, by generation 1 generation forward: 5 descendants2 generations forward: 5 descendants3 generations forward: 2 descendants4 generations forward: 1 descendant K042797 · Wro 300 Water Purification System for Hemodialysis · Gambro Renal Products · 2005K811678 · Gambro Water Purification Monitor WRD · Gambro, Inc. · 19810
  1. Root · 2 generations backK811678 Gambro Water Purification Monitor WRDGambro, Inc. · 1981
  2. 1 generation backK042797 Wro 300 Water Purification System for HemodialysisGambro Renal Products · 2005
  3. This deviceK093608 Gambro Water Purification Unit, Models Wro 300 and Wro 300 HGambro Renal Products, Inc. · 2010
  4. Descendant · cites it directly · 6 of its ownK110578 Millenium HX Portable Reverse Osmosis Water Purification SystemMar Cor Purification, Inc. · 2011 · Recalled
  5. Descendant · cites it directly · 5 of its ownK124059 Aquaboss Ecoro Dia I (HT); Aquaboss Ecoro Dia II (HT)Lauer Membran Wassertechnik GmbH · 2013
  6. Descendant · 2 generations on · 3 of its ownK133829 Aquabplus,Aquabplus & Aquabplus B2,Aquabplus&Aquabplus HF,Aquabplus&…Vivonic GmbH · 2014 · Recalled
  7. Descendant · 3 generations on · 1 of its ownK213507 AquaAFresenius Medical Care Rental Therapies Group, LLC · 2022
  8. Descendant · 2 generations on · 1 of its ownK171099 EON Portable Reverse Osmosis Water Purification SystemCantel · 2018

Showing 5 of 13 descendants. See all descendants

Descendants cleared per year

2011: 12013: 12014: 22015: 12018: 12019: 12020: 12022: 12023: 12024: 12025: 2
2011high 2 (2014) · low 0 (2012)2026

Most influential descendants

Showing 5 of 13 · See all
  • K110578Millenium HX Portable Reverse Osmosis Water Purification SystemMar Cor Purification, Inc. · 2011 · cites it directly6descendants
  • K124059Aquaboss Ecoro Dia I (HT); Aquaboss Ecoro Dia II (HT)Lauer Membran Wassertechnik GmbH · 2013 · cites it directly5descendants
  • K133829Aquabplus,Aquabplus & Aquabplus B2,Aquabplus&Aquabplus HF,Aquabplus& Aquabplus B2&…Vivonic GmbH · 2014 · 2 generations on3descendants
  • K213507AquaAFresenius Medical Care Rental Therapies Group, LLC · 2022 · 3 generations on1descendant
  • K171099EON Portable Reverse Osmosis Water Purification SystemCantel · 2018 · 2 generations on1descendant
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−2K811678Gambro Water Purification Monitor WRDGambro, Inc.1981—
−1K042797Wro 300 Water Purification System for HemodialysisGambro Renal Products2005—
0 (this device)K093608Gambro Water Purification Unit, Models Wro 300 and Wro 300 HGambro Renal Products, Inc.2010—
+1K110578Millenium HX Portable Reverse Osmosis Water Purification SystemMar Cor Purification, Inc.20111
+1K124059Aquaboss Ecoro Dia I (HT); Aquaboss Ecoro Dia II (HT)Lauer Membran Wassertechnik GmbH2013—
+2K133829Aquabplus,Aquabplus & Aquabplus B2,Aquabplus&Aquabplus HF,Aquabplus& Aquabplus…Vivonic GmbH20143
+3K213507AquaAFresenius Medical Care Rental Therapies Group, LLC2022—
+2K171099EON Portable Reverse Osmosis Water Purification SystemCantel2018—

Descendants by year cleared

Year clearedDevicesWith a Class I recall
201110
201310
201420
201510
201810
201910
202010
202210
202310
202410
202520
FIG. 1 — Lineage of K093608, 1981–2025Source: 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 FIP? 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 FIP device

  1. #1 K251851 DIASAFEplusUS (F00013010)score 14.0 · 14 generations · no Class I recall
  2. #2 Held for the reportin the report
  3. #3 Held for the reportin the report
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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
*K042797Wro 300 Water Purification System for Hemodialysis
Summary page 2
…Subsystem, Water treatment Device Class 11 Product Code 78FIP Regulation Number 876.5665 510(k) number K042797 ______ WRO 300 WRO 300 H…
Gambro Renal Products2005—

What descends from it? (13)

See all 13

5 later devices cite it directly; ranked here by how many devices descend from each in turn.

NumberDeviceApplicantDecidedDescendants
K110578Millenium HX Portable Reverse Osmosis Water Purification SystemMar Cor Purification, Inc.20116
K124059Aquaboss Ecoro Dia I (HT); Aquaboss Ecoro Dia II (HT)Lauer Membran Wassertechnik GmbH20135
K143617AquaC UNO HVivonic GmbH20151
K200670EON Portable RO Water Purification SystemMar Cor Purification, Inc.20200
K192398Millenium HXMar Cor Purification, Inc.20190

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 29 years and passes through 3 companies; a new generation was cleared every 23.7 years on median.
  • None of the 2 ancestors has a recall.
  • Of its descendants, K110578 (Mar Cor Purification, Inc., 2011) has gone furthest, with 6 descendants of its own.

How does its category compare?

All FIP devices

FIP Subsystem, Water Purification: FDA decisions, review times, recalls and adverse event reports over 20 years. 2010, this device’s year, is highlighted.

FDA decisions per year · FIP

4in 2025

2007: 12008: 32009: 32010: 22011: 42012: 22013: 42014: 42015: 22016: 22017: 12018: 12019: 22020: 12021: 12022: 12023: 32024: 12025: 4
2007high 4 (2011) · low 1 (2007)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · FIP

88in 2025

2008: 202 days median2009: 167 days median2011: 116 days median2013: 125 days median2014: 126 days median2023: 69 days median2025: 88 days median
2007high 202 (2008) · low 69 (2023)2026

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

Recalls per year · FIP

1in 2020

2020: 1
2007high 1 (2020) · low 0 (2007)2026

Class I (0 since 2007) Class II/III not classified

Adverse event reports per year · FIP

77in 2025

2007: 12008: 52010: 122011: 42012: 42013: 412014: 342015: 122016: 32017: 62018: 32019: 132020: 122021: 352022: 572023: 1402024: 1742025: 77
2007high 174 (2024) · low 0 (2009)2025

MAUDE reports naming product code FIP, 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
20071—01
2008320205
2009316700
20102—012
2011411604
20122—04
20134125041
20144126034
20152—012
20162—03
20171—06
20181—03
20192—013
20201—112
20211—035
20221—057
20233690140
20241—0174
2025488077
20260—0—

What is it indicated for?

The Gambro WRO 300 Water Purification Unit is intended to be used as a dialysis accessory to produce water through reverse osmosis for one hemodialysis equipment. WRO 300 can be connected to hemodialysis equipment used both in hospitals and in home environments, in conjunction with appropriate pre and post treatment units, as a part of a water treatment system designed to meet current AAMI and Federal (U.S.) standards. The Gambro WRO 300 H Water…

Read the full statement (138 words)

The Gambro WRO 300 Water Purification Unit is intended to be used as a dialysis accessory to produce water through reverse osmosis for one hemodialysis equipment.

WRO 300 can be connected to hemodialysis equipment used both in hospitals and in home environments, in conjunction with appropriate pre and post treatment units, as a part of a water treatment system designed to meet current AAMI and Federal (U.S.) standards.

The Gambro WRO 300 H Water Purification Unit is intended to be used as a dialysis accessory to produce water through reverse osmosis for one hemodialysis equipment.

WTRO 300 H can be connected to hemodialysis equipment used both in hospitals and in home environments, in conjunction with appropriate pre and post treatment units, as a part of a water treatment system designed to meet current AAMI and Federal (U.S.) standards.

Indications for use read by OCR from a scanned FDA summary, so letters may be misread. Check the PDF before quoting it.

Cite this page

510(k) Report. “K093608: Gambro Water Purification Unit, Models Wro 300 and Wro 300 H.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K093608

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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