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Home / Products / PUR FILTER TWIST-CHANGE SYSTEM 4 Cartridge Set for QUICK 6+7 Reverse Osmosis
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PUR FILTER TWIST-CHANGE-SYSTEM 4 Cartridge Set

For the PUR Booster Quick 7 stages with 400 or 600 GPD and
the PUR Quick 6-stage UF water filtration system (4260303252568)

4-filter set with PP-GAC-CTO-UF - 1 x sediment cartridge made of polypropylene fleece, 1 x GAC activated carbon granulate filter 1 , x CTO carbon block , 1 x UF ultrafiltration membrane for stages 1 to 4 of a reverse osmosis system PUR Booster Quick 7 and the water filtration system PUR Quick 6 UF

Innovative TWIST-CHANGE-SYSTEM for the easiest and most hassle-free cartridge replacement ever. There is no longer any need to unscrew and screw on the housing bowl using a housing wrench.

Simply turn the old Twist-Change cartridges counterclockwise and pull them out, then insert the new cartridges and turn clockwise until they are tight.

For a smooth filter change, we recommend moistening the O-rings of the new replacement cartridges.



The polypropylene cartridge (1st stage) is characterized by excellent dirt-holding capacity. Its structure resembles the consistency of a sponge, whose surface contains a particularly high number of open micropores.

It is ideal for filtering sand, sludge, rust particles as well as other mechanical impurities contained in tap water.

Special features:

- Removal of mechanical impurities (rust, sand, sludge and other sediments)
- Excellent filtration results with low pressure loss

The filters clean the water down to a crystal-clear 10 microns.

The GAC activated carbon granulate filter (2nd stage) is made of coconut shells and filters contaminants from the water such as chlorine, organic pollutants, light hydrocarbons, solvents, pesticides, oils and aromas, taste impairments, odor impairments, etc.

The CTO carbon activated carbon block (3rd stage) is made of compressed activated carbon and filters contaminants from the water such as chlorine, organic pollutants, light hydrocarbons, solvents, pesticides, oils and aromas, taste impairments, odor impairments, fine particles (rust, limescale flakes, sand, scales) and suspended matter.

The filter cleans the water down to a crystal-clear 5 microns.

The ultrafiltration membrane (4th stage) removes very fine contamination, such as sediment impurities contained in the water (microorganisms, viruses and bacteria).

Special features:

- Removes microorganisms, bacteria and viruses larger than 0.02 μm
- protects the reverse osmosis membrane

The filter cleans the water down to a crystal-clear 0.02 microns.

Filter dimensions: Dimensions: 277 mm x 62 mm


You will receive four TWIST-CHANGE filters packed in a box.