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John Guest Reducing Straight Connector 1/2 inch Tube OD x 3/5 (one supplied)

John Guest PI201208S Reducing Straight Connector 3/8" to 1/4"

5x John Guest Pipe Clip Spacer (Air System Only)

John Guest 22MM Ring Main Water Trap Tee Connector

John Guest 15MM X 1/2" BSPT Ring Main M Brass Stem Adaptor

John Guest Speedfit Underfloor Heating Thermal Mixing Valve Unit SpUnderfloor Heating1 H

John Guest 15MM Ring Main Equal Elbow

12mm Bulkhead Union PM1212E John Guest Speedfit

John Guest 3/4" BSP x 1/4" Push Fit Tap Adapter

John Guest Speedfit Blue Stop Tap 20 X 20mm Ugstv2020

Metric John Guest, Speedfit Stem Elbow 12mm Tube OD x (Pack of 10)

John Guest Speedfit Equal Straight Connector 12 mm

John Guest Speedfit Lowfit Support Elbow 12mm

John Guest 12mm LLDPE Tubing Red 2 Metre Length Flexible Polyethylene Pipe...

John Guest 3 Port Manifold

John Guest 12mm LLDPE Tubing Red 3 Metre Length Flexible Polyethylene Pipe...

John Guest Speedfit Blue Stop End 25mm Ug4625B

John Guest Speedfit Sp Manifold Flow Meter Mkit01

B11 01080 LLDPE Tube 12 mm Metric 100 Mtr 12mm RED

John Guest Straight Adaptor 1/4 inch Tube OD x BSP Male Thread (one Supplied)

John Guest PI011212S 3/8" 1/4" Straight Adaptor BSP

John Guest 22MM X 3/4" BSP Ring Main Stem Adaptor

John Guest 22MM Ring Main Black Plug

John Guest 22MM X 3/4" BSPT Ring Main Brass Stem Adaptor