12mm John Guest

John Guest tubing is produced in Linear Low Density Polyethylene which is more robust than traditional LDPE or MDPE.  John Guest fittings are made from high quality materials offering a wide range of temperature and pressure suitability, broad chemical compatibility and low toxicity.  It is ideal for use in water filtration, water purification, and water conditioning.


Bulkhead Connector 12mm

Bulkhead Connector 12mm

Bulkhead Connector 12mm

£7.16 Ex Tax: £4.30
End Stop Connector 12mm

End Stop Connector 12mm

End Stop Connector 12mm

£5.24 Ex Tax: £2.70
Equal Elbow 12mm

Equal Elbow 12mm

Equal Elbow 12mm

£6.20 Ex Tax: £3.50
Equal Straight Connector 12mm

Equal Straight Connector 12mm

Equal Straight Connector 12mm

£4.80 Ex Tax: £2.33
Equal Tee 12mm

Equal Tee 12mm

Equal Tee 12mm

£5.96 Ex Tax: £3.30
Female Adaptor BSP ThreadTube OD 12mm x 5/8" BSP Thread

Female Adaptor BSP ThreadTube OD 12mm x 5/8" BSP Thread

Female Adaptor BSP ThreadTube OD 12mm x 5/8" BSP Thread

£7.10 Ex Tax: £4.25
PP Shut Off Valve Speedfit to Speedfit 12mm OD

PP Shut Off Valve Speedfit to Speedfit 12mm OD

PP Shut Off Valve Speedfit to Speedfit 12mm OD

£9.92 Ex Tax: £6.60
Reducer 12mm x 10mm

Reducer 12mm x 10mm

Reducer 12mm x 10mm

£5.12 Ex Tax: £2.60
Reducer 12mm x 8mm

Reducer 12mm x 8mm

Reducer 12mm x 8mm

£4.52 Ex Tax: £2.10
Reducing Elbow 12mm x 10mm

Reducing Elbow 12mm x 10mm

Reducing Elbow 12mm x 10mm

£5.08 Ex Tax: £2.57
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