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Sentry Water Filters

20"x2.5" BB Blue Slim Mains Town Water Filter Cartridges High & Medium Volume Options

Regular price $58.50
Regular price Sale price $58.50
Sale
1st Filter Required
2nd Filter Required
3rd Filter Required

Explore the Benefits of Slim Mains Town Water Filter Cartridges

20"x2.5" BB Blue Slim Mains Town Water Filter Cartridges: Upgrade your home's water quality with this high-performance filter set, designed for mains/town water supplies. This listing includes a combination of spun sediment and coconut carbon block filters, engineered to reduce chlorine, sediment, chemicals, and unpleasant taste and odour — giving you cleaner, better-tasting water straight from the tap.

Pictures 3-12 are of other items we sell which you can purchase by visiting our online store

Actual measurements of spun sediment water filters are +/- [50cm] x +/- [7cm]
Measurements of coconut carbon block water filters are +/- [50cm] x +/- [7cm]

Only images 1 and 2 is included with this listing and the other pictures are of items that are related or can be used with first image and are included for information purposes only.

Measurements can vary by a few mm's and filter will still fit


Will fit all standard 20" Water Filter Systems - also available in 10"x2.5", 10"x4.5" and 20"x4.5"

Available Filter Set Options:

Standard Volume Set
Ideal for everyday water filtration in small to medium households.

  • 1µm Spun Sediment Filter

  • 2x Standard Coconut Carbon Block Filters (each filters up to 20,000L)

Middle Volume Set
A balanced option combining affordability with increased lifespan and enhanced filtration performance.

  • 1µm Spun Sediment Filter

  • 1x Standard Coconut Carbon Block Filter (up to 20,000L)

  • 1x 5uM Matrikx CTO Carbon Block Filter (up to 60,000L)

Middle Volume is ideal for households needing stronger filtration performance with extended service life, without stepping up to full high volume systems.

High Volume Set (Maximum Filtration Capacity)

  • 1µm Spun Sediment Filter

  • 2x 5uM Matrikx CTO Carbon Block Filters (each up to 60,000L)

Perfect for larger homes or areas with higher chlorine levels or water demand.


 What These Filters Do:

  • Sediment Filter captures dirt, sand, rust, and particles

  • Carbon Block Filters remove:

    • Chlorine, taste, and odour

    • Volatile Organic Compounds (VOCs)

    • Pesticides, herbicides, and insecticides

    • Other common chemical contaminants

0.5µm Silver infused / Standard carbon blocks can also reduce parasitic microorganisms like giardia and cryptosporidium.

⚠️ Carbon filters do not remove bacteria. Use silver-infused or nano-silver carbon blocks (not included) for bacterial protection.


All of the parts that come into contact with the water in our systems are manufactured from BPA free food grade plastics. All of the filters and parts that we source are of the highest quality and meet the required quality standards.

Removes chlorine + sediment, as well as a wide range of chemicals + improves taste and odour

5uM carbon filters remove / reduce chlorine, odour, taste, volatile organic compounds, pesticides, herbicides, insecticides and a wide range of chemicals and other impurities that may be in your water

0.5uM carbon block filters remove above impurities as well as parasitic micro-organisms and cysts [giardia, cryptosporidium and blastocysts]

0.5uM Silver infused carbon filters are bacteria static* and will reduce / remove chlorine, odour, taste, volatile organic compounds, giardia, cryptosporidium, blastocysts, cysts and a wide range of chemicals, pesticides and other impurities in water (up to 30,000L)

*Inhibit the growth of bacteria in the carbon and reduce bacteria in water

Carbon block filters on their own will not remove bacteria and to do so you'll need to use a silver infused or nano silver carbon block filter

If you are not entirely satisfied with your purchase please contact us so that we can try to resolve your concerns

Superior Water Quality

The Slim Mains Town Water Filter Cartridges are designed to enhance your water quality significantly. These cartridges effectively reduce impurities and harmful substances, ensuring that you receive clean and safe drinking water every day. Because they are engineered with precision, users can expect a noticeable difference in taste and clarity, making hydration a delightful experience.

Flexible Volume Options

These cartridges come in both high and medium volume options, catering to diverse needs and preferences. For households or businesses requiring greater water filtration capacity, the high-volume option is ideal. Alternatively, the medium volume cartridges are perfect for lighter use. Therefore, no matter your water usage requirements, there is a suitable filter option available.

Easy to Install and Maintain

Installation of the Slim Mains Town Water Filter Cartridges is straightforward and user-friendly. You can effortlessly replace your old cartridge without any special tools, saving time and hassle. Additionally, maintaining these filters is a breeze, ensuring that you can enjoy clean water consistently. This convenience promotes regular water consumption, improving overall health and wellbeing.


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