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Clean, Safe, Great-tasting drinking water

Reliable, purified water solutions for homes across Ireland

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Advanced filtration
Effectively filters out impurities, giving you clean water for drinking and cooking.
A greener home
Culligan systems help reduce plastic waste by saving billions of plastic bottles each year.
Easy setup, no hassle
Designed for easy installation and space-saving, seamlessly fitting under your sink.
Small to large family usage
Our range suits family homes of 2-8 people

Get Chlorine-Free Water in Ireland

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Reverse Osmosis Product Enquiries
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Under-sink Filtration Systems

  • Reduces chlorine, bad tastes, and odours

    Gulp Tap

    • Removes sediment and micro-particles down to 0.5 microns
    • Captures microplastics and modern contaminants
    • Certified to NSF/ANSI 42, 401, and 372 standards
    • Price includes annual servicing
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  • NSF certified

    Culligan Direct Flow

    • Slim, compact system saving under-sink space
    • Fast, reliable water output
    • Smart leak detection and auto-flush protection
    • Removes chlorine and key contaminants to improve water quality
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  • 5 stage filtration

    Culligan Compact

    • Granular carbon filters remove impurities, odors, and bad tastes
    • Compact under‑sink design saves space
    • Streamlined casing suits modern interiors
    • Removes chlorine and common contaminants
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How Culligan Purifiers Deliver clean Water

Culligan purifiers use advanced activated carbon or reverse osmosis technology to provide clean, safe, great-tasting water straight from your tap.

These compact units fit neatly under your sink or in a nearby cabinet and connect directly to your cold‑water line, ensuring every drop is filtered before it reaches your glass.

For guidance or installation support, our team is always here to help.

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Why choose Reverse Osmosis for your home?

Enjoy Better Water

Your filtration systems reduce harmful contaminants to provide clean, safe, great-tasting water. They also improve taste and remove unpleasant odors, giving your family fresh, pure water with no aftertaste.

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Convenient & sustainable

Enjoy clean, filtered water at your fingertips for better‑tasting drinks and meals. By removing the need for bottled water, you save money and cut down on single‑use plastic waste, supporting a more sustainable lifestyle.

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Quality assurance

Culligan is trusted worldwide for reliable water treatment. Over 8 million homes use our systems for clean drinking water, with products built to meet strict industry standards and deliver long‑lasting performance.

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Why Buy A Under-Sink Filter?

No more plastic bottles

Enjoy clean, refreshing water straight from your tap — no need to rely on bottled water.

Contaminants you can't see

Without filtration, your tap water can contain contaminants like heavy metals, chlorine, and pesticides. These can affect both taste and health.

Residue you can’t rinse away

Chlorine is often used to treat tap water but can leave behind chemical residues. RO systems effectively filter out chlorine and other chemicals for clean water.

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Get Clean Water Now

Call us to discover our under-sink RO systems and taste the difference in every glass.

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90 Years Strong — Water You Can Trust

For over nine decades, Culligan has been delivering reliable water treatment solutions trusted by millions of homes worldwide.

Ready for Clean, Chlorine-Free Water?

Book your free consultation and get expert advice on the ideal reverse osmosis system for your home.

Or you can call us on 1800 300 357.

Complete this short form and we’ll get back to you ASAP.​

Reverse Osmosis Product Enquiries
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Trusted by homes across Ireland and Northern Ireland

Culligan has been helping people enjoy clean, safe, great-tasting water for over 90 years. We're committed to providing high-quality water solutions backed by expert support and service.

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