John Guest Fittings & 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.  It is ideal for use in water filtration, water purification, and water conditioning.

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  • 4 Way Equal Cross 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 than tra..
    Ex Tax: £5.94 £7.13
  • 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. ..
    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
  • Acetal Angle Stop Valve 1/4 inch
    JG  ACETAL ANGLE STOP VALVE  15mm   1/4" BRANCH   General Description John Guest Angle Stop Valves are manufactured in Acetal with EPDM 'O' rings. They incorporate a single check valve and a 1/4 turn chromium plated ball valve. The valves are for use with ..
    Ex Tax: £12.36 £14.83
  • Acetal Angle Stop Valve 15mm 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: £18.99 £22.79
  • Acetal Angle Stop Valve 15mm 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: £19.47 £23.36
  • Acetal Angle Stop Valve 3/8 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: £21.00 £25.20
  • Acetal Angle Stop Valve 3/8mm 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: £21.00 £25.20
  • Ball Valve 1/2 inch
    1/2 X 1/2 inch ball valve.  General Description John Guest acetal shut-off valves have a brand new full bore mechanism and are especially designed for the Brewing and Soft Drinks industries and for potable water. They are also suitable for air and inert gases such as N2/CO2 provided ..
    Ex Tax: £6.30 £7.56
  • Bulkhead Connector 1/2 inch
    JG BULKHEAD CONNECTOR 1/2 Materials of Construction This fitting is made of the following components:- The body is produced in acetal copolymer 'O'Rings are nitrile rubber The collet is produced in acetal copolymer with stainless steel teeth ..
    Ex Tax: £4.05 £4.86
  • 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
  • Bulkhead Connector 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 than tra..
    Ex Tax: £3.03 £3.64
  • Bulkhead Connector 3/8 inch
    JG BULKHEAD CONNECTOR 3/8 Materials of Construction This fitting is made of the following components:- The body is produced in acetal copolymer 'O'Rings are nitrile rubber The collet is produced in acetal copolymer with stainless steel teeth ..
    Ex Tax: £4.53 £5.44
  • Bulkhead Connector 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 than tra..
    Ex Tax: £4.53 £5.44
  • Bulkhead Connector 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 than tra..
    Ex Tax: £4.44 £5.33
  • 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
  • Connection Collet Covers for 1/4 inch Tube OD (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: £0.64 £0.77
  • Connection Collet Covers for 5/16 inch Tube OD (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: £0.64 £0.77
  • Connection Single Check Valve 1/4 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: £12.15 £14.58
  • Connection Single Check Valve 5/16 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: £14.37 £17.24
  • End Stop Connector 1/4 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 than tra..
    Ex Tax: £0.84 £1.01
  • End Stop Connector 3/8 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 than tra..
    Ex Tax: £0.96 £1.15
  • 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
  • Enlarger 3/8 inch Tube x 5/16 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: £1.95 £2.34
  • 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 Elbow 1/4 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 than tra..
    Ex Tax: £1.95 £2.34
  • Equal Elbow 3/16 inch Tube OD x 3/16 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 than tra..
    Ex Tax: £1.68 £2.02
  • Equal Elbow 3/8 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 robu..
    Ex Tax: £2.91 £3.49
  • Equal Elbow 5/16 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 robu..
    Ex Tax: £2.01 £2.41
  • 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 Straight Connector 1/4 inch
    JG  EQUAL STRAIGHT CONNECTOR 1/4 Materials of Construction This fitting is made of the following components:- The body is produced in acetal copolymer 'O'Rings are nitrile rubber The collet is produced in acetal copolymer with stainless steel teeth. ..
    Ex Tax: £1.69 £2.03
  • Equal Straight Connector 1/4 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 robu..
    Ex Tax: £1.65 £1.98
  • Equal Straight Connector 3/16 inch Tube OD x 3/16 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 robu..
    Ex Tax: £1.44 £1.73
  • Equal Straight Connector 3/8 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 than tra..
    Ex Tax: £2.22 £2.66
  • Equal Straight Connector 5/16 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 than tra..
    Ex Tax: £1.71 £2.05
  • 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
  • Equal Tee 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 robu..
    Ex Tax: £2.55 £3.06
  • Equal Tee 3/16 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 robu..
    Ex Tax: £2.28 £2.74
  • Equal Tee 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 than tra..
    Ex Tax: £3.09 £3.71
  • Equal Tee Connector 1/2 inch
    JG  EQUAL T CONNECTOR 1/2 Materials of Construction This fitting is made of the following components:- The body is produced in acetal copolymer 'O'Rings are nitrile rubber The collet is produced in acetal copolymer with stainless steel teeth ..
    Ex Tax: £2.12 £2.54
  • Equal Tee Connector 3/8 inch
    JG  EQUAL T CONNECTOR 3/8 ( pi0212s ) Materials of Construction This fitting is made of the following components:- The body is produced in acetal copolymer \'O\'Rings are nitrile rubber The collet is produced in acetal copolymer with stainless steel teeth ..
    Ex Tax: £1.91 £2.30
  • Female Adaptor (Pressure gauge fitting) 1/4 to 1/8 inch
    JG  JG FEMALE ADAPTOR (Pressure gauge fitting) 1/4 -1/8 Materials of Construction This fitting is made of the following components:- The body is produced in acetal copolymer 'O'Rings are nitrile rubber The collet is produced in acetal copolymer with stainless st..
    Ex Tax: £1.05 £1.26
  • 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 1/2 Thread to 1/4 inch Push Fit
      CI320814S 1/2 x 1/4   General Description Within the PI/PM range of plas..
    Ex Tax: £2.50 £3.00
  • Female Adaptor 1/2 Thread to 5/16 inch Push Fit
      PI451014FS 1/2 x 5/16   General Description Within the PI/PM range of pl..
    Ex Tax: £2.50 £3.00
  • Female Adaptor 1/4 inch Tube OD x 1/4 NPNF 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: £2.13 £2.56
  • 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
RO-MAN.COM

High quality reverse osmosis systems. RO-MAN has long held a reputation as the leading expert in reverse osmosis and water filtration in the UK. Our systems are built in the UK and can be customised to suit many purposes. We only use quality filters and components and source our membranes from the US.