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Home / Products / QA 20 CF SX - Anti-Limescale Water Softener
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QA resin cartridge for water softening as a demineralization filter 20" inch

Contains strongly cationic resin for limescale reduction.

The filter cartridge is made of non-toxic materials and is therefore suitable for drinking water production.

When used as a drinking water filter, we recommend an activated carbon filter, e.g.

Carbon Block 20 SX 10 mcr Art.No. 4260303252872 or LA Art.No. 8021647022899

to be installed downstream.

Filter cartridge with cationic resin for limescale reduction with medium water hardness.

The filter is suitable for:
Water softening for laboratories, cleaning windows and other glass surfaces, cleaning conservatories, cleaning facades, cleaning boats and yachts, cleaning motor vehicles.

Or for water preparation for filling irons, underfloor heating systems, cleaning machines, solar vacuum tube collectors, etc.

The filter removes limescale from the water.

Water filter cartridge suitable for all other standard 20 inch SX filter housings.

20" inch filter dimensions:
Length: 510 mm
Width: 70 mm
Head opening: 28 mm

Maximum temperature: 45 degrees Celsius
Storage time: approx. 6 months

Recommended flow rate: 90 l/h

Service life: approx. 6 months or 5,000 l (depending on the water quality and flow rate) at medium water hardness up to max. 14 °dH!

The cartridge must be replaced if channels have formed in the resin and the water no longer flows through the filter medium.



You will receive a 20" filter packaged in a box.

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