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Home / Products / HYDRA BIG 10 DUO Rainmaster 1” - Rainwater Filter
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HYDRA BIG 10 DUO Rainmaster 1” - rainwater filter

HIGH-PERFORMANCE BIG DUAL filter housing with one-piece head

Innovative backwash system with spring-loaded filter cartridge. When the flush valve is opened, the drop in pressure pulls the cartridge downward, cleaning it from the inside as well. A minimum pressure of 1.8 bar is required to ensure backwashing.

Including hose connector and drain funnel with backflow prevention according to UNI EN 1717-11/2002

Innovative backwash system with spring-loaded filter cartridge. When the flush valve is opened, the drop in pressure pulls the cartridge downward, cleaning it from the inside as well. A minimum pressure of 1.8 bar is required to ensure backwashing.

This filter system treats water at high capacity cost-effectively and filters out pollutants as well as fine particles from the water.

This is achieved through the Self-Cleaning/Backwash pre-filter with 90 micron and a final water treatment stage using the LA CARBON cartridge.

The LA 10 BIG SX TS - activated carbon granulate water filter is made of compressed activated carbon and filters pollutants from the water such as chlorine, organic pollutants, light hydrocarbons, solvents, pesticides, insecticides, oils and aromas, taste impairments, odor impairments.



Use, scope, dimensions:

The 2-stage water treatment system is designed to save a great deal of space and is easy to install.

The HYDRA DUO water filter features a drain funnel/backflow preventer to protect the drinking water supply.

The HYDRA DUO domestic water filter is used for filtering and treating rainwater, drinking water, domestic water and dirty water, and serves to protect fittings, pumps, water tanks and other technical systems as well as the pipework.


Technical data

10" HYDRA BIG DUO filter housing
Dimensions: 515 x 390 x 185 mm (HxWxD)
Operating pressure: maximum 8.3 bar
Temperature range: 4 - 45 °C
Suitable for all standard 10" BIG cartridges with flat seal
Suitable for drinking water applications



The individual filtration stages:

1 x RLH 90mcr HYDRA BIG - sediment filter polyester mesh
Self-cleaning pre-filtration cartridge – RLH: 90 MIC
filters sand and other particles larger than 90 microns
Service life: approx. 12-24 months (depending on water quality and flow rate)

1 x LA 10 BIG SX TS - activated carbon granulate water filter
filters chlorine, org. pollutants, light hydrocarbons, solvents, pesticides, oils and aromas, taste impairments, odor impairments.
Service life: approx. 6 months (depending on water quality and flow rate)


The filter system is supplied in its original packaging, with filter housing, a housing wrench, a wall bracket, screws and two filter cartridges.