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WP10-20B Top Filter is a mechanical polypropylene fiber cartridge for tubular housings BIG BLUE 10" and HHBB-10B stations. It effectively removes sand, silt, rust, and suspended solids, filtering with an accuracy of < 20 microns. It protects the installation and specialist cartridges (carbon, softening, de-ironing) from premature wear.
WP10-20B Top Filter 20 micron BIG BLUE 10" cartridge is a mechanical filter cartridge made of polypropylene non-woven fabric, designed for BIG BLUE 10" housings and the HHBB-10B station. As an effective water filter, it removes mechanical impurities such as sand, silt, rust, and suspended solids with an accuracy of < 20 microns. It is a practical component of the initial filtration stage that supports water treatment and helps protect the installation, fittings, and subsequent components of the water filtration system, including carbon, softening, and iron removal cartridges.

Cartridges from the WP series are made of polypropylene non-woven fabric and are used to remove typical mechanical impurities from water. The WP10-20B model has been designed for operation in BIG BLUE 10" inline housings and in the HHBB-10B water treatment station.
Thanks to filtration accuracy below 20 microns, the cartridge effectively retains particles that can reduce water use comfort and accelerate installation wear. This solution is particularly useful wherever you want to protect the entire domestic water installation in a house or apartment.
The WP10-20B has been designed to reduce solid contaminants present in water. It effectively captures in particular:
This pre-filtration stage is very important both in simple domestic installations and in more advanced treatment systems. The cartridge helps reduce the buildup of impurities in fittings, faucets, valves, and water-connected devices.
The cartridge is made of polypropylene non-woven fabric formed so that filtration takes place through the entire structure of the material. This design supports effective retention of mechanical impurities and makes the cartridge well suited as the first stage of installation protection.
In practice, this means that the WP10-20B can be used as a pre-treatment element before subsequent specialist cartridges. This is especially important when the filtration system includes media responsible for improving taste, reducing hardness, or removing iron compounds. The mechanical cartridge helps extend their effective operating life and reduce premature wear.
The WP10-20B model is intended for:
It is a good choice as a pre-filter wherever water contains visible or fine mechanical impurities. It can operate as an independent stage of installation protection or as part of a larger treatment system. In systems such as a reverse osmosis filter, osmotic filter, or reverse osmosis system, mechanical filtration performs an important protective function for subsequent components when used at the appropriate stage of the entire system.
The cartridge must not be used for water of unknown origin or for microbiologically contaminated water.
The service life of the cartridge depends on the degree of water contamination. In practice, replacement frequency should be adjusted to operating conditions and the decline in filtration performance.
Using a mechanical cartridge with 20-micron accuracy is a simple way to increase the operational safety of the entire water installation. Protecting pipes, valves, faucets, and household appliances from larger amounts of sediment can result in more stable system operation and a lower risk of rapid wear of components that come into contact with water.
WP10-20B also helps protect more advanced filtration cartridges responsible for the subsequent stages of water quality improvement. As a result, the entire system can operate more predictably, and specialist cartridges are less exposed to the burden of mechanical impurities.
* Service life depends on water contamination.
| Parameter | Value |
|---|---|
| Product No. | WP10-20B |
| Filtration accuracy | < 20 microns |
| Length | 10" |
| Diameter | 4½" |
| Service life | max. 8000 L * |
| Operating temperature | 2-42 °C |
Yes, the WP10-20B model is intended for 10-inch BIG BLUE inline housings.
Yes, the cartridge is also intended for the HHBB-10B water treatment station.
The cartridge removes mechanical impurities such as sand, silt, rust, and various types of suspended solids present in water.
It means that the cartridge has been designed to retain very fine mechanical impurities smaller than 20 microns, which helps protect the installation and subsequent filtration stages.
The product is made of foam, i.e. polypropylene non-woven fabric, formed in a way that enables filtration through the entire structure of the cartridge.
The maximum declared service life is 8000 liters, but the actual operating time depends on the level of water contamination. The more sediment there is in the water, the sooner the cartridge will need replacement.
Yes, its purpose is to protect the water installation, fittings, and more expensive specialist cartridges such as carbon, softening, and iron removal cartridges.
No. The cartridge must not be used for water of unknown origin or for microbiologically contaminated water.
The operating temperature range is from 2 to 42 °C.
WP10-20B Top Filter is a mechanical polypropylene fiber cartridge for tubular housings BIG BLUE 10" and HHBB-10B stations. It effectively removes sand, silt, rust, and suspended solids, filtering with an accuracy of < 20 microns. It protects the installation and specialist cartridges (carbon, softening, de-ironing) from premature wear.