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Specialty water filter systems for safer hydration.

Culligan Quench has all your water filtration needs covered, with solutions like reverse osmosis systems and emergency water units you can trust to deliver cleaner, safer water.

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Compare top specialty products.

250 Deionizing Water Filter System
50/52 Under-Sink Water Filtration System
Under-Sink Reverse Osmosis Filtration System
290 Emergency Water System
Available with deionization filtration
Available with reverse osmosis (RO) filtration
Space-saving under counter system
Emergency water unit
Best for laboratories and dentists' offices

Experience the difference of reverse osmosis technology.

A reverse osmosis water filtration system uses a multi-step process to remove tiny particles, organic molecules, and contaminants. Deliver cleaner water for workplaces of all sizes — from healthcare and offices to salons and more.

Cleaner water

Our systems are certified to reduce contaminants as small as 0.05 microns, including viruses, bacteria, mercury, arsenic, PFAS, lead, and microplastics.

Better taste

Our systems eliminate bad tastes and odors so your employees and guests can enjoy the best-tasting water, every time.

Longer life

With filters that can last up to two years, maintenance is simple and worry-free.

Backed by the best.

Our filters are NSF-certified and independently tested to meet rigorous standards for reducing contaminants. This means safer, cleaner water you can trust — backed by science and verified for your peace of mind.

NSF/ANSI 372

Lead-free filter compliance.

NSF/ANSI 42

Reduces chlorine, taste, odor, and ensures material safety.

NSF/ANSI 61

Reduces health-related contaminants, including lead and Volatile Organic Compounds (VOCs).

CSA B483.1

Reduces harmful substances in water.

NSF 58

Material safety and reduces contaminants, including total dissolved solids, VOCs, lead, and fluoride.