Cleared Abbreviated

K161844 - Matrix Pre-Treatment Controller

K161844 is an FDA 510(k) clearance for Matrix Pre-Treatment Controller, manufactured by Better Water, LLC. The device is a Class 2 Gastroenterology & Urology device with product code FIP cleared through the Abbreviated 510(k) pathway after a 161-day FDA review.

K161844 · Better Water, LLC · Gastroenterology & Urology device
Download Printable Device Report (PDF)
Optimized for regulatory review, auditing and printing
Dec 2016
Decision
161d
Days
Class 2
Risk

K161844 is an FDA 510(k) clearance for the Matrix Pre-Treatment Controller. Classified as Subsystem, Water Purification (product code FIP), Class II - Special Controls.

Submitted by Better Water, LLC (Smyrna, US). The FDA issued a Cleared decision on December 13, 2016 after a review of 161 days - an extended review cycle.

This device falls under the Gastroenterology & Urology FDA review panel, regulated under 21 CFR 876.5665 - the FDA gastroenterology and urology device framework. The Abbreviated 510(k) pathway was used, relying on FDA-recognized standards to demonstrate substantial equivalence.

Device pattern: Standards-based predicate clearance. Standards-verified equivalence. The Abbreviated pathway signals strong alignment with FDA-recognized performance standards - typically associated with lower review burden and faster clearance cycles.

View all Better Water, LLC devices

FDA 510(k) Submission Details - K161844

510(k) Number K161844 FDA.gov
FDA Decision Cleared Substantially Equivalent - Traditional 510(k) (SESE)
Date Received July 05, 2016
Decision Date December 13, 2016
Days to Decision 161 days
Submission Type Abbreviated
Review Panel Gastroenterology & Urology (GU)
Summary Summary PDF
Third-party Review No - reviewed directly by FDA
Regulatory Context
Review time vs. panel average
31d slower than avg
Panel avg: 130d · This submission: 161d
Pathway characteristics
Standards-based clearance path.

FIP Device Classification - Class 2, Special Controls

Product Code FIP Subsystem, Water Purification
Device Class Class 2 - Special Controls
CFR Regulation 21 CFR 876.5665
What this classification means

Class II devices require demonstration of substantial equivalence to a legally marketed predicate device. This pathway does not require clinical trials - it relies on engineering equivalence and performance data. Most Gastroenterology & Urology devices follow this clearance model.

Regulatory Peers - FIP Subsystem, Water Purification

All 26
Devices cleared under the same product code (FIP) and FDA review panel - the closest regulatory comparables to K161844.
Millenium HX
K192398 · Mar Cor Purification, Inc. · Oct 2019
DIASAFEplusUS
K182367 · Fresenius Medical Care Renal Therapies Group, LLC · Jan 2019
EON Portable Reverse Osmosis Water Purification System
K171099 · Cantel · Jan 2018
NX STAGE WATER PURIFICATION SYSTEM
K042089 · Nxstage Medical, Inc. · Nov 2004
FIBERFLO HOLLOW FIBER CAPSULE WATER FILTERS
K983126 · Minntech Corp. · Mar 1999
FIBERFLO HOLLOW FIBER CARTRIDGE WATER FILTERS
K954349 · Minntech Corp. · Dec 1995