Olympus Crystaline Water Filters Ltd logo

London Water Filtration Specialists with Over 30 Years’ Experience

Wide range of product options. Up to 10,000 litres of filtration. Selected filters have a two-year warranty.

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Clear choices for cleaner-tasting water

Choosing a filter starts with how and where you'll use your water. We supply Olympus countertop, under-sink, tap and shower filters, plus multi-stage systems for homes and organisations. Our range helps reduce bacteria, chemicals and chlorine, with options for different spaces, water conditions and levels of demand. With over 30 years of water filtration experience in London, we can help you compare formats before you buy. We supply every product without fitting, so you stay free to arrange installation where needed.

Modern kitchen setup with a countertop water filter and an under-sink filtration system next to a bright window.

Why Choose Olympus Crystaline?

Our Prices Haven't Changed Since 2016

We've kept our filter prices unchanged since 2016, delivering consistent value to our customers for over a decade.

Options For Hard Water

Double systems combine two media stages for point-of-use filtration.

FREE UK Delivery

Enjoy free Royal Mail Second Class delivery on every UK order, with no minimum spend. Quality water filtration delivered straight to your door.

Filter capacities that go the distance

Choose the capacity that matches your water usage. Replacement is due after up to 12 months or the stated litre capacity, whichever comes first.

Standard Olympus+ Filters

Up to 8,000litres

Reliable everyday filtration for great-tasting water throughout the home.

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Olympus+ Giga Filters

Up to 10,000litres

Extended-capacity cartridges for higher-demand households and harder water.

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A simple route to the right filter

01
Tell us about your water

Share your tap type, available space, water concern and expected use.

02
Compare suitable formats

We'll explain relevant systems, cartridge types and compatibility checks.

03
Order for direct supply

Buy online or call us to arrange supply of your selected product.

Man filling a stainless steel water bottle from a modern kitchen tap.
60%of the adult human body is water

Better Water Starts with Everyday Hydration

Water makes up roughly 60% of the adult human body and plays an essential role in keeping us healthy and hydrated. At Olympus Crystaline, we believe drinking water should taste fresh and natural. Our filters are designed to help restore the natural quality and taste of everyday tap water by reducing unwanted substances, depending on the filtration system. Enjoy refreshing filtered water at home while reducing your reliance on single-use plastic bottles.

Ready to find the right system?

Browse our full range of water purification products and filters.

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Find the right filter for your water

Water filter components, including activated carbon granules, arranged next to a cardboard box on a white background.

Ceramic and carbon water filters

Combine fine 0.5-micron ceramic filtration with carbon media for drinking water at one outlet.

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Commercial water filtration systems

Plan point-of-use filters, quantities and refill stock around peak demand across your organisation.

A kitchen countertop features a chrome tap connected to a water filter next to a glass of water.

Countertop water filters

Connect filtered water at the tap with accessible countertop units, adaptors and multi-stage options.

A man fills a glass jug with water from a modern kitchen tap next to fresh vegetables and herbs.

Domestic water filtration systems

Prepare drinks, meals and reusable bottles with a home filter chosen for your space, tap and water use.

Modern kitchen sink with a water filtration system installed under the counter, next to a bowl of green apples.

Hard water double filtration systems

Combine ceramic and softening media in a double countertop or under-sink point-of-use system.

Seven water filter cartridges arranged on a surface next to an open cardboard box and packaging paper.

Replacement water filter cartridges

Restore an Olympus unit with model-matched ceramic, softening, nitrate, tap or shower refills.

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Areas We Supply

A man walks along a canal path with a cyclist passing by, surrounded by city buildings and a church in the background.
Birmingham
A woman reads a map near Cardiff Castle on a wet pavement, with a bicycle and pedestrians nearby.
Cardiff
A bustling street in Edinburgh leads to the historic castle, with people walking between rows of stone buildings and ornate
Edinburgh
Tram passing on a city street lined with historic buildings and pedestrians on a cloudy day.
Glasgow
People walking and cycling along the historic waterfront at Albert Dock in Liverpool, with iconic buildings in the
Liverpool
People walking along a wet street next to a canal, with a tram approaching and modern buildings in the background.
Manchester
Man reading a map on a cobbled street with a market stall and a cathedral spire in the background.
Norwich
People walk along a riverside street with a historic cathedral in the background under a cloudy sky.
Peterborough
A man checks his phone on a riverside promenade with boats and modern buildings in the background.
Southampton
A woman checks her phone by the seaside with a pier in the background, as another woman walks and an older woman sits on a
Southend-on-Sea

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Choose your water filter with confidence

Call us to discuss your tap, water use and preferred filter format before placing an order.

Call 01702 964012

Make an Enquiry

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