1/2" Fittings

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.

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  • Acetal Angle Stop Valve 1/2 inch Tube OD x 1/4 inch Branch
    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.&nb..
    Ex Tax: £15.31 £18.37
  • Acetal Angle Stop Valve 1/2 inch Tube OD x 3/8 inch Branch
    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.&nb..
    Ex Tax: £15.31 £18.37
  • Bulkhead Connector 1/2 inch Tube OD
    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.&nb..
    Ex Tax: £5.62 £6.74
  • Collet Locking Tool for Sizes 3/16 to 1/2 inc
    John Guest fittings and tubing are produced in Linear Low Density Polyethylene which is more robust than traditional LDPE or MDPE.  It offers a wide range of temperature and pressure suitability, broad chemical compatibility and low toxicity.  It is ideal for use in water filtratio..
    Ex Tax: £6.36 £7.64
  • Enlarger 1/2 inch Tube x 3/8 inch Stem
    Gray acetal copolymer construction with nitrile O-rings. FDA approved materials. NSF Certified 51 & 62. Suitable for water, air, inert gases and pneumatic applications or vacuum.   John Guest tubing is produced in Linear Low Density Polyethylene which is more robust than tra..
    Ex Tax: £2.23 £2.68
  • Equal Elbow 1/2 inch Tube OD x 1/2 inch Tube OD
    Gray acetal copolymer construction with nitrile O-rings. FDA approved materials. NSF Certified 51 & 62. Suitable for water, air, inert gases and pneumatic applications or vacuum.   John Guest tubing is produced in Linear Low Density Polyethylene which is more robust than tra..
    Ex Tax: £2.54 £3.04
  • Equal Straight Connector 1/2 inch Tube OD x 1/2 inch Tube OD
    Gray acetal copolymer construction with nitrile O-rings. FDA approved materials. NSF Certified 51 & 62. Suitable for water, air, inert gases and pneumatic applications or vacuum.   John Guest tubing is produced in Linear Low Density Polyethylene which is more robust than tra..
    Ex Tax: £1.99 £2.39
  • Equal Tee 1/2 inch Tube OD
    Gray acetal copolymer construction with nitrile O-rings. FDA approved materials. NSF Certified 51 & 62. Suitable for water, air, inert gases and pneumatic applications or vacuum.     John Guest tubing is produced in Linear Low Density Polyethylene which is more robu..
    Ex Tax: £2.71 £3.25
  • Female Adaptor 1/2 inch Tube OD x 1/2 inch BSP Thread Cone End
    Gray acetal copolymer construction with nitrile O-rings. FDA approved materials. NSF Certified 51 & 62. Suitable for water, air, inert gases and pneumatic applications or vacuum.   John Guest tubing is produced in Linear Low Density Polyethylene which is more robust than tra..
    Ex Tax: £3.04 £3.65
  • Female Adaptor 1/2 inch Tube OD x 3/4 inch BSP Thread Cone End
    Gray acetal copolymer construction with nitrile O-rings. FDA approved materials. NSF Certified 51 & 62. Suitable for water, air, inert gases and pneumatic applications or vacuum.   John Guest tubing is produced in Linear Low Density Polyethylene which is more robust than tra..
    Ex Tax: £3.04 £3.65
  • Female Adaptor 1/2 inch Tube OD x 3/8 inch BSP Thread Flat End
    Gray acetal copolymer construction with nitrile O-rings. FDA approved materials. NSF Certified 51 & 62. Suitable for water, air, inert gases and pneumatic applications or vacuum.     John Guest tubing is produced in Linear Low Density Polyethylene which is more robu..
    Ex Tax: £2.76 £3.31
  • Female Adaptor 1/2 inch Tube OD x 5/8 inch BSP Thread Flat End
    Gray acetal copolymer construction with nitrile O-rings. FDA approved materials. NSF Certified 51 & 62. Suitable for water, air, inert gases and pneumatic applications or vacuum.     John Guest tubing is produced in Linear Low Density Polyethylene which is more robu..
    Ex Tax: £3.32 £3.99
  • Female Adaptor 3/8 inch Tube OD x 1/2 inch BSP Thread Cone End
    Gray acetal copolymer construction with nitrile O-rings. FDA approved materials. NSF Certified 51 & 62. Suitable for water, air, inert gases and pneumatic applications or vacuum.     John Guest tubing is produced in Linear Low Density Polyethylene which is more robu..
    Ex Tax: £2.89 £3.46
  • Female Adaptor 3/8 inch Tube OD x 1/2 inch BSP Thread Flat End
    Gray acetal copolymer construction with nitrile O-rings. FDA approved materials. NSF Certified 51 & 62. Suitable for water, air, inert gases and pneumatic applications or vacuum.     John Guest tubing is produced in Linear Low Density Polyethylene which is more robu..
    Ex Tax: £2.84 £3.41
  • Female Adaptor 5/16 inch Tube OD x 1/2 inch BSP Thread Cone End
    Gray acetal copolymer construction with nitrile O-rings. FDA approved materials. NSF Certified 51 & 62. Suitable for water, air, inert gases and pneumatic applications or vacuum.   John Guest tubing is produced in Linear Low Density Polyethylene which is more robust than tra..
    Ex Tax: £2.73 £3.28
  • Female Adaptor 5/16 inch Tube OD x 1/2 inch BSP Thread Flat End
    Gray acetal copolymer construction with nitrile O-rings. FDA approved materials. NSF Certified 51 & 62. Suitable for water, air, inert gases and pneumatic applications or vacuum.     John Guest tubing is produced in Linear Low Density Polyethylene which is more robu..
    Ex Tax: £2.71 £3.25
  • Flow Bend Clip 12mm / 1/2 inch
    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.&nb..
    Ex Tax: £0.87 £1.05
  • Grey Acetal Shut Off Valve Connection 1/2 inch Tube OD
    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.&nb..
    Ex Tax: £9.54 £11.44
  • Locking Clip for 1/2" Tube (Pack of 3)
    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.&nb..
    Ex Tax: £0.52 £0.63
  • Metric to Imperial Straight Adaptor 15mm x 1/2 inch Tube
    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.&nb..
    Ex Tax: £2.19 £2.62
  • Offset Connector 1/2 inch x 5/16 inch Tube
    Gray acetal copolymer construction with nitrile O-rings. FDA approved materials. NSF Certified 51 & 62. Suitable for water, air, inert gases and pneumatic applications or vacuum.     John Guest tubing is produced in Linear Low Density Polyethylene which is more robu..
    Ex Tax: £3.24 £3.88
  • Plug Connector 1/2 inch
    Gray acetal copolymer construction with nitrile O-rings. FDA approved materials. NSF Certified 51 & 62. Suitable for water, air, inert gases and pneumatic applications or vacuum.   John Guest tubing is produced in Linear Low Density Polyethylene which is more robust tha..
    Ex Tax: £0.77 £0.92
  • Reducer 1/2 inch Stem x 3/8 inch Tube
    Gray acetal copolymer construction with nitrile O-rings. FDA approved materials. NSF Certified 51 & 62. Suitable for water, air, inert gases and pneumatic applications or vacuum.   John Guest tubing is produced in Linear Low Density Polyethylene which is more robust tha..
    Ex Tax: £2.06 £2.47
  • Reducer 1/2 inch Stem x 5/16 inch Tube
    Gray acetal copolymer construction with nitrile O-rings. FDA approved materials. NSF Certified 51 & 62. Suitable for water, air, inert gases and pneumatic applications or vacuum.   John Guest tubing is produced in Linear Low Density Polyethylene which is more robust tha..
    Ex Tax: £1.27 £1.52
  • Reducing Elbow 1/2 inch Tube OD x 3/8 inch Tube OD
    Gray acetal copolymer construction with nitrile O-rings. FDA approved materials. NSF Certified 51 & 62. Suitable for water, air, inert gases and pneumatic applications or vacuum.   John Guest tubing is produced in Linear Low Density Polyethylene which is more robust tha..
    Ex Tax: £2.60 £3.12
  • Reducing Elbow 1/2 inch Tube OD x 5/16 inch Tube OD
    Gray acetal copolymer construction with nitrile O-rings. FDA approved materials. NSF Certified 51 & 62. Suitable for water, air, inert gases and pneumatic applications or vacuum.   John Guest tubing is produced in Linear Low Density Polyethylene which is more robust tha..
    Ex Tax: £2.54 £3.04
  • Reducing Straight Connector 1/2 inch Tube OD x 1/4 inch Tube OD
    Gray acetal copolymer construction with nitrile O-rings. FDA approved materials. NSF Certified 51 & 62. Suitable for water, air, inert gases and pneumatic applications or vacuum.   John Guest tubing is produced in Linear Low Density Polyethylene which is more robust tha..
    Ex Tax: £1.77 £2.13
  • Reducing Straight Connector 1/2 inch Tube OD x 3/5 inch Tube OD
    Gray acetal copolymer construction with nitrile O-rings. FDA approved materials. NSF Certified 51 & 62. Suitable for water, air, inert gases and pneumatic applications or vacuum.   John Guest tubing is produced in Linear Low Density Polyethylene which is more robust tha..
    Ex Tax: £2.01 £2.41
  • Reducing Straight Connector 1/2 inch Tube OD x 5/16 inch Tube OD
    Gray acetal copolymer construction with nitrile O-rings. FDA approved materials. NSF Certified 51 & 62. Suitable for water, air, inert gases and pneumatic applications or vacuum.   John Guest tubing is produced in Linear Low Density Polyethylene which is more robust tha..
    Ex Tax: £1.29 £1.55
  • Reducing Tee 1/2 inch Tube OD x 3/5 inch Tube OD
    Gray acetal copolymer construction with nitrile O-rings. FDA approved materials. NSF Certified 51 & 62. Suitable for water, air, inert gases and pneumatic applications or vacuum.   John Guest tubing is produced in Linear Low Density Polyethylene which is more robust tha..
    Ex Tax: £3.00 £3.60
  • Stem Adaptor 1/2 inch Stem x 1/2 BSPT Thread
    Gray acetal copolymer construction with nitrile O-rings. FDA approved materials. NSF Certified 51 & 62. Suitable for water, air, inert gases and pneumatic applications or vacuum.   John Guest tubing is produced in Linear Low Density Polyethylene which is more robust tha..
    Ex Tax: £1.16 £1.39
  • Stem Adaptor 1/2 inch Stem x 1/2 NPTF Thread
    Gray acetal copolymer construction with nitrile O-rings. FDA approved materials. NSF Certified 51 & 62. Suitable for water, air, inert gases and pneumatic applications or vacuum.   John Guest tubing is produced in Linear Low Density Polyethylene which is more robust tha..
    Ex Tax: £1.16 £1.39
  • Stem Adaptor 1/2 inch Stem x 3/8 BSPT Thread
    Gray acetal copolymer construction with nitrile O-rings. FDA approved materials. NSF Certified 51 & 62. Suitable for water, air, inert gases and pneumatic applications or vacuum.     John Guest tubing is produced in Linear Low Density Polyethylene which is more..
    Ex Tax: £1.14 £1.36
  • Stem Adaptor 1/2 inch Stem x 3/8 NPTF Thread
    Gray acetal copolymer construction with nitrile O-rings. FDA approved materials. NSF Certified 51 & 62. Suitable for water, air, inert gases and pneumatic applications or vacuum.   John Guest tubing is produced in Linear Low Density Polyethylene which is more robust than tra..
    Ex Tax: £1.01 £1.21
  • Stem Elbow 1/2 inch Stem OD x 1/2 inch Tube OD
    Gray acetal copolymer construction with nitrile O-rings. FDA approved materials. NSF Certified 51 & 62. Suitable for water, air, inert gases and pneumatic applications or vacuum.   John Guest tubing is produced in Linear Low Density Polyethylene which is more robust tha..
    Ex Tax: £2.47 £2.97
  • Straight Adaptor 1/2 inch Tube OD x 1/2 inch BSPT Male Thread
    Gray acetal copolymer construction with nitrile O-rings. FDA approved materials. NSF Certified 51 & 62. Suitable for water, air, inert gases and pneumatic applications or vacuum.   John Guest tubing is produced in Linear Low Density Polyethylene which is more robust tha..
    Ex Tax: £2.36 £2.83
  • Straight Adaptor 1/2 inch Tube OD x 1/2 inch NPTF Male Thread
    Gray acetal copolymer construction with nitrile O-rings. FDA approved materials. NSF Certified 51 & 62. Suitable for water, air, inert gases and pneumatic applications or vacuum.   John Guest tubing is produced in Linear Low Density Polyethylene which is more robust tha..
    Ex Tax: £2.36 £2.83
  • Straight Adaptor 1/2 inch Tube OD x 3/8 inch BSPT Male Thread
    Gray acetal copolymer construction with nitrile O-rings. FDA approved materials. NSF Certified 51 & 62. Suitable for water, air, inert gases and pneumatic applications or vacuum.   John Guest tubing is produced in Linear Low Density Polyethylene which is more robust tha..
    Ex Tax: £2.14 £2.57
  • Straight Adaptor 1/2 inch Tube OD x 3/8 inch NPTF Male Thread
    Gray acetal copolymer construction with nitrile O-rings. FDA approved materials. NSF Certified 51 & 62. Suitable for water, air, inert gases and pneumatic applications or vacuum.   John Guest tubing is produced in Linear Low Density Polyethylene which is more robust tha..
    Ex Tax: £2.14 £2.57
  • Straight Adaptor 3/8 inch Tube OD x 1/2 inch NPTF Male Thread
    Gray acetal copolymer construction with nitrile O-rings. FDA approved materials. NSF Certified 51 & 62. Suitable for water, air, inert gases and pneumatic applications or vacuum.   John Guest tubing is produced in Linear Low Density Polyethylene which is more robust tha..
    Ex Tax: £2.14 £2.57
  • Straight Adaptor British Nipple Type BSW 3/8 inch Tube OD x 1/2 -24  Male Thread
    Gray acetal copolymer construction with nitrile O-rings. FDA approved materials. NSF Certified 51 & 62. Suitable for water, air, inert gases and pneumatic applications or vacuum.   John Guest tubing is produced in Linear Low Density Polyethylene which is more robust tha..
    Ex Tax: £1.55 £1.86
  • Swivel Branch Tee 1/2 inch Tube OD x 1/2 inch NPTF Thread
    Gray acetal copolymer construction with nitrile O-rings. FDA approved materials. NSF Certified 51 & 62. Suitable for water, air, inert gases and pneumatic applications or vacuum.   John Guest tubing is produced in Linear Low Density Polyethylene which is more robust tha..
    Ex Tax: £4.00 £4.80
  • Swivel Elbow 1/2 inch Tube OD x 1/2 inch BSPT Thread
    Gray acetal copolymer construction with nitrile O-rings. FDA approved materials. NSF Certified 51 & 62. Suitable for water, air, inert gases and pneumatic applications or vacuum.   John Guest tubing is produced in Linear Low Density Polyethylene which is more robust tha..
    Ex Tax: £5.49 £6.59
  • Swivel Elbow 1/2 inch Tube OD x 1/2 inch NPTF Thread
    Gray acetal copolymer construction with nitrile O-rings. FDA approved materials. NSF Certified 51 & 62. Suitable for water, air, inert gases and pneumatic applications or vacuum.   John Guest tubing is produced in Linear Low Density Polyethylene which is more robust tha..
    Ex Tax: £5.49 £6.59
  • Swivel Elbow 1/2 inch Tube OD x 3/8 inch BSPT Thread
    Gray acetal copolymer construction with nitrile O-rings. FDA approved materials. NSF Certified 51 & 62. Suitable for water, air, inert gases and pneumatic applications or vacuum.   John Guest tubing is produced in Linear Low Density Polyethylene which is more robust tha..
    Ex Tax: £3.81 £4.57
  • Swivel Elbow 1/2 inch Tube OD x 3/8 inch NPTF Thread
    Gray acetal copolymer construction with nitrile O-rings. FDA approved materials. NSF Certified 51 & 62. Suitable for water, air, inert gases and pneumatic applications or vacuum.   John Guest tubing is produced in Linear Low Density Polyethylene which is more robust tha..
    Ex Tax: £5.47 £6.56
  • Swivel Male Run Tee 1/2 inch Tube OD x 1/2 inch BSPT Thread
    Gray acetal copolymer construction with nitrile O-rings. FDA approved materials. NSF Certified 51 & 62. Suitable for water, air, inert gases and pneumatic applications or vacuum.   John Guest tubing is produced in Linear Low Density Polyethylene which is more robust tha..
    Ex Tax: £5.73 £6.88
  • Three Way Divider 1/2 inch Tube OD Inlet x 3/8 inch Outlet
    Gray acetal copolymer construction with nitrile O-rings. FDA approved materials. NSF Certified 51 & 62. Suitable for water, air, inert gases and pneumatic applications or vacuum.   John Guest tubing is produced in Linear Low Density Polyethylene which is more robust tha..
    Ex Tax: £3.21 £3.86
  • Tube to Hose Stem 1/2 inch Stem x 1/2 Hose
    Gray acetal copolymer construction with nitrile O-rings. FDA approved materials. NSF Certified 51 & 62. Suitable for water, air, inert gases and pneumatic applications or vacuum.   John Guest tubing is produced in Linear Low Density Polyethylene which is more robust tha..
    Ex Tax: £1.53 £1.84
  • Tube to Hose Stem 1/2 inch Stem x 3/8 Hose
    Gray acetal copolymer construction with nitrile O-rings. FDA approved materials. NSF Certified 51 & 62. Suitable for water, air, inert gases and pneumatic applications or vacuum.   John Guest tubing is produced in Linear Low Density Polyethylene which is more robust tha..
    Ex Tax: £1.36 £1.63