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We stock a wide range of sediment filters in three standard sizes. 

2.5" x 10", 4.5" x 10" and 4.5" x 20", with micron ratings ranging from 0.2 micron to 50 micron.

Each sediment filter is individually wrapped. We do our best to stock the Watts brand, but on occasion have to substitute for a comparable brand. 

Sediment water filters with a micron rating of 5 or above can be washed and reused, thereby reducing filtration costs. For best results spray water directly into the pleats to dislodge any sediment. Or, leave to dry and then brush off the sediment from the cartridge surface.  

Sediment cartridges can also be washed. See our Q&A below. 

  • NanoCeram - 2.5 x 10 inch filter cartridge

    NanoCeram 0.2 Micron Filter 2.5 x 10

    2.5 x 10'' pleated cartridge. The NanoCeram 0.2 micron filter cartridge is designed to satisfy the most difficult requirements in water treatment.

    £60.99

    Quantity:

  • NanoCeram - 4.5 x 10 inch filter cartridges

    NanoCeram 0.2 Micron Filter 4.5 x 10

    Rapid and highly efficient absorption of virtually all particle sizes from as large as tens of microns or as small as a few nanometers.

    £107.99

    Quantity:

  • NanoCeram - 4.5 x 20 inch filter cartridges

    NanoCeram Pleated Filter Cartridge P4.5-20

    Each NanoCeram filter cartridge has a rating of 0.2 microns - a rating typically associated with microporous membranes. Yet NanoCeram flow rates are hundreds of times greater than such membranes.

    £184.99

    Quantity:

  • 1 Micron pleated sediment filter cartridge

    1 Micron Absolute Pleated Sediment Filter

    1 micron filter cartridge that reduces sediment, dirt, scale and rust and gives excellent resistence to chemicals and bacteria.

    £42.99

    Quantity:

  • 1 Micron pleated sediment filter cartridge

    1 Micron Nominal Pleated Sediment

    Watts 1 micron nominal pleated sediment water filter cartridge 10 x 4.5 inch

    £27.99

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  • 5 Micron pleated sediment filter cartridge

    Pleated Sediment Filter 5 Micron

    Watts 5 micron pleated sediment water filter cartridge 10 x 4.5 inch - washable.

    £25.99

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  • Pleated Sediment Filter 20 Micron

    Pleated Sediment Filter 20 Micron

    Watts 20 micron pleated sediment filter 10 x 4.5 inch - washable.

    £18.99

    Quantity:

  • Sediment Filter Cartridge 4.5 x 20 1 Micron Absolute

    Sediment Filter Cartridge 4.5 x 20 1 Micron Absolute

    1 micron filter cartridge that reduces sediment, dirt, scale and rust and gives excellent resistence to chemicals and bacteria.

    £80.99

    Quantity:

  • Sediment Filter Cartridge 4.5 x 20 1 Micron Nominal

    Sediment Filter Cartridge 4.5 x 20 1 Micron Nominal

    1 micron filter cartridge that reduces sediment, dirt, scale and rust and gives excellent resistence to chemicals and most bacteria.

    £42.99

    Quantity:

  • Doby 20 inch Big Blue Full Flow Sediment Filter Cartridge

    Sediment Filter Cartridge 4.5 x 20 5 Micron

    Watts WPC5FF20 is a 5 micron 4.5'' x 20'' pleated sediment water filter cartridge.

    £32.99

    Quantity:

  • Watts Sediment Filter Cartridge 4.5 x 20 20 Micron

    Sediment Filter Cartridge 4.5 x 20 20 Micron

    Watts WPC20FF20 is a 20 micron 4.5'' x 20'' pleated sediment water filter cartridge.

    £32.99

    Quantity:

  • Watts Sediment Filter Cartridge 4.5 x 20 50 Micron

    Sediment Filter Cartridge 4.5 x 20 50 Micron

    Watts WPC50FF20 is a 50 micron 4.5'' x 20'' pleated sediment water filter cartridge.

    £43.00

    Quantity:

  • Pleated Cartridge WPC1-975

    2.5'' x 10'' Pleated Sediment Filter Cartridge

    2.5'' x 10'' pleated filter cartridge - choose from 50, 20, 5 or 1 Micron

    £12.99

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  • 2.5 x 10 inch Melt Blown Sediment Filters

    2.5 x 10 inch Melt Blown Sediment Filters

    Melt Blown sediment cartridges in 1, 5, 10, 20, and 50 micron ratings.

    £7.99

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  • 4.5 x 10 inch Melt Blown Sediment Filter Cartridge

    4.5 x 10 inch Melt Blown Sediment Filters

    Melt Blown sediment cartridges in 1, 5, 20 and 50 micron ratings.

    £19.99

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  • 2.5 x 20 inch Melt Blown Sediment Filter

    2.5 x 20 inch Melt Blown Sediment Filter

    Melt blown sediment cartridges: various micron ratings.

    £12.99

    Quantity:

  • SPE-Hero-2500x1000.jpg

    2.5 x 20 inch 5 micron Pleated Sediment Cartridge

    Buy your 2.5 x 20’’ 5 micron sediment filter cartridges for water from Fountain Filters in the UK and get free standard UK delivery. Order online today.

    £34.99

    Quantity:

  • 2.5 x 20 inch 20 micron Pleated Sediment Cartridge

    2.5 x 20 inch 20 micron Pleated Sediment Cartridge

    Buy your 2.5 x 20’’ 20 micron sediment filter cartridges for water from Fountain Filters in the UK and get free standard UK delivery. Order online today.

    £34.99

    Quantity:

  • 2.5 x 20 inch 50 micron Pleated Sediment Cartridge

    2.5 x 20 inch 50 micron Pleated Sediment Cartridge

    Buy your 50 micron 2.5 x 20’’ sediment filter cartridges for water from Fountain Filters and pay nothing for standard UK delivery. Order online today.

    £34.99

    Quantity:

  • String Wound Sediment Filter Cartridges

    String Wound Sediment Filter Cartridges

    Choose a range of sizes and micron ratings. Free UK standard delivery.

    £9.99

    Quantity:

How do sediment filters work?

Sediment filters block unwanted particulate matter from getting into your water supply through a process known as mechanical filtration.
It's a bit like a screen door that you'd install in your house to stop bugs getting into your house. You want the lovely breeze flowing into your home, but not the bugs. So the screen door is the mechanical filter.  A sediment filter allows water to flow through it but captures the dirt, sand, and any other particulate matter the water is carrying. 
 

What do sediment filters remove?

Sediment filters remove particulate matter such as dirt, sand, dust, and debris that can be captured by its micron-rated capacity. Sediment filters also remove turbidity from water; the yellow, orange or brown cloudiness that can appear in water due to the presence of suspended solids.

Sediment filters don't remove chemicals, heavy metals, or dissolved particulate matter. Nor do sediment filters improve the taste or smell of water.

Sediment filters tend to be installed as prefiltres before water passes through a UV or Reverse Osmosis system.
 

What are sediment filters made of?

There are three main types of sediment filter; Pleated, Melt-Blown and String Wound.

Pleated sediment filters look a bit like an accordion with thin sheets of filter media like polyester or polypropylene. The large number of pleats gives this sediment filter much more dirt holding capacity than other types of sediment filters. As the filter’s pleats take on dirt, a layer is formed on the filter that amplifies the filter’s efficiency. Pleated sediment filters that are 5 micron or above can be washed and reused.  

Melt-blown sediment filters are made up of layered fibres, where the inner core of the cartridge is denser than the outer core. As the water passes through the filter walls, the filter is able to clarify increasingly finer particulates. They're also often referred to as spun polypropyelene filters and are very good at filtering particulates of varying micron
sizes because of the graduated layers. 

The third type of sediment filter is a variation of the melt-blown. String Wound sediment filters are made of tightly wound cotton, polyester, or polypropylene string. This string is wrapped firmly around a core, creating a graded density that will trap particulate matter. As water travels through the layers of string, finer and finer particulate matter is removed. The strings can begin to loosen when the filter becomes overloaded with sediment and you'll need to replace it.  

Can sediment filters be washed?

Yes they can and it will extend the cartridges life span. 

Washing the sediment cartridges is best done with the jet of water at an angle to the cartridge, up or down, not directly onto it.

However, the pores in the filter medium get blocked with tiny particles that can't be dislodged; so washing only extends the life a certain amount - usually enough for you to get by until you receive new cartridges.

If you've got high water pressure that can cope with a higher pressure drop then you could consider a spun filter cartridge that has a higher dirt holding capacity.

Although these do last longer the downside is that you get a higher pressure drop and also they aren't washable at all.

Please note that only 5 micron or above are washable. 

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