12mm x 12mm X 12mm Push Fit Genuine John Guest Equal Tee Connector. push-fit connection fits to 12mm O/Dia semi-rigid water pipe.
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Pneumatic Fitting Pipe Connector Tube Air Quick Fittings Water Push In Hose Plastic 4mm 6mm 8mm 10mm 12mm 14mm PU PY Connectors
Aliexpress UK
John Guest 12mm Push Fit x M10 Monobloc Tap Hose Kit. 30cm length.
eBay
4MM To 12MM Pneumatic Fitting Tube Connector Fittings Air Quick Water Pipe Push In Hose Quick Couping PY/PU/PV/PE/HVFF/LSA
Aliexpress UK
Can be used on hot or cold pipework. 12mm Push Fit Genuine John Guest Inserts.
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10Pcs PC Hose Connection Air Fitting 4-12Mm Male Thread Bsp 1/4 " 1/2" 1/8 "3/8" Nipple Brass Quick Coupling Pneumatic Fittings
Aliexpress UK
For sale is 5 x John Guest 12mm Straight Push Fit Pipe Water Fitting Connector WS1204 PM0412E JG PLS.
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10Pcs Pneumatic Fittings Quick Connector Plastic Elbow Pipe PV 4mm 6mm 8mm 10mm 12mm Air Hose Fitting Push Into PV Connector
Aliexpress UK
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10PCS Pneumatic Air Connector Fitting PC 4mm 6mm 8mm 10mm 12mm Thread 1/8" 1/4" 3/8" 1/2" Hose Fittings Pipe Quick Connectors
Aliexpress UK
JOHN GUEST X2 12MM STRAIGHT CONNECTORS
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10PCS Pipe Fittings Plastic Pneumatic Air Connector Fitting Quick Push PY PW Connect 4 6mm 8mm 10mm 12mm
Aliexpress UK
Designed to take the 12mm john guest push fit water pipe. Pipe seals directly into the fittings with a simple push.
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1PCS Pneumatic Fitting Pipe Connector Tube Air Quick Fittings Water Push In Hose Couping 4mm 6mm 8mm 10mm 12mm 14mm PU PY PK
Aliexpress UK
Creates a rigid connection when fitting pipework into a john guest fitting for potable liquid or hot water applications. John guest pipe inserts play a vital role in providing extra support to pipework, ensuring that the ends of the pipe are kept nice and round, and minimising any loss of shape that can occur when cutting.
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PCF Air Pipe Fitting 4 6 8 10 12mm Hose Tube 1/8" 3/8" 1/2" BSP 1/4" Female Thread Brass Pneumatic Connector Quick Joint Fitting
Aliexpress UK