Slimline Housings are usually used for under-sink locations supplying a cold tap or dedicated Drinking Tap. Usually come with ports of 1/4" and 3/8" to allow fitting of John Guest connectors to accommodate 1/4" (6mm) or 3/8" (9.5mm) drinking water tube.

Can be used for whole house but requires 3/4" ports and no more than one bathroom due to lower flow capability.

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Frequently asked questions

A Set (e.g. WH10-SET) includes the housing, mounting bracket, spanner and tube connectors for a complete installation — buying the housing alone means sourcing these separately.

Duplex (WH10-TWIN) holds two cartridges in sequence for two-stage filtration; Triplex (WH10-14-TRIPLE) holds three, letting you run a three-stage setup (e.g. sediment, carbon, and a specialist cartridge) in one mounted unit.

This depends on your existing tap and tubing — 1/4in is the most common for standard drinking water taps, 3/8in suits some existing tap setups. Check your current tubing size before ordering.

Yes, this range is designed for under-sink drinking water filtration — check the specific product listing for any relevant certifications.

Yes — the set includes everything needed (housing, bracket, spanner, connectors) for a straightforward under-sink installation.