Doulton Twin Rainwater Under Sink Alkaliser

The Royal Doulton Superblock Twin Under sink water filter system.

The Doulton Ceramic Superblock Under sink is self maintainable. If the flow rate slows, the Doulton Sterasyl ceramic cartridge can be cleaned easily with a quality scrubbing pad such as Scotch Brite™ under running water. Cleaning frequency will vary depending upon water quality.

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