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Our collection of Flexseal drain and adaptor couplings are available in a range of diameters to provide the perfect solution in creating a secure and durable waterproof seal between your drainage pipe connections. Such couplings can be used on clay, cast, stainless steel and any other low pressure piping systems to guarantee leak free joints.

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  • Flexseal Adaptor Coupling 110mm - 122mm / 60mm - 68mm

    Flexseal Adaptor Coupling 110mm - 122mm / 60mm - 68mm

    Inc VAT: £17.94
  • Flexseal Drain Coupling 50mm - 65mm

    Flexseal Drain Coupling 50mm - 65mm

    Inc VAT: £7.80
  • Flexseal Drain Coupling 100mm - 115mm

    Flexseal Drain Coupling 100mm - 115mm

    Inc VAT: £7.80
  • Flexseal Adaptor Coupling 110mm - 122mm / 80mm - 95mm

    Flexseal Adaptor Coupling 110mm - 122mm / 80mm - 95mm

    Inc VAT: £14.34
  • Flexseal Drain Coupling 110mm - 125mm

    Flexseal Drain Coupling 110mm - 125mm

    Inc VAT: £14.34
  • Fernco Straight Coupling 49 - 44mm

    Fernco Straight Coupling 49 - 44mm

    Inc VAT: £4.74
  • Flexseal Standard Coupling 120mm - 137mm

    Flexseal Standard Coupling 120mm - 137mm

    Inc VAT: £19.14
  • Flexseal Drain Coupling 80mm - 95mm

    Flexseal Drain Coupling 80mm - 95mm

    Inc VAT: £8.34
  • Fernco Straight Coupling 86mm - 80mm

    Fernco Straight Coupling 86mm - 80mm

    Inc VAT: £7.14
  • Fernco Straight Coupling 41mm - 38mm

    Fernco Straight Coupling 41mm - 38mm

    Inc VAT: £4.20
  • Flexseal Clay To Plastic Coupling 110-125mm / 100-115mm

    Flexseal Clay To Plastic Coupling 110-125mm / 100-115mm

    Inc VAT: £10.20
  • Flexseal Drain Coupling 180mm - 195mm

    Flexseal Drain Coupling 180mm - 195mm

    Inc VAT: £15.54
  • Flexseal Adaptor Coupling 180-200/160mm - 180mm

    Flexseal Adaptor Coupling 180-200/160mm - 180mm

    Inc VAT: £19.14
  • Flexseal Drain Coupling 150mm - 165mm

    Flexseal Drain Coupling 150mm - 165mm

    Inc VAT: £13.80
  • Flexseal Adaptor Coupling 121-136/110mm - 121mm

    Flexseal Adaptor Coupling 121-136/110mm - 121mm

    Inc VAT: £7.80
  • Flexseal Adaptor Coupling 110mm - 122mm / 48mm - 56mm

    Flexseal Adaptor Coupling 110mm - 122mm / 48mm - 56mm

    Inc VAT: £16.20
  • Flexseal Drain Coupling 120mm - 135mm

    Flexseal Drain Coupling 120mm - 135mm

    Inc VAT: £8.34
  • Fernco Adaptor Coupling 49 - 44 / 41 - 38mm

    Fernco Adaptor Coupling 49 - 44 / 41 - 38mm

    Inc VAT: £4.20
  • Fernco Equal Tee 116mm - 105mm Trade Tub

    Fernco Equal Tee 116mm - 105mm Trade Tub

    Inc VAT: £20.34
  • Flexseal Standard Coupling 175mm - 200mm

    Flexseal Standard Coupling 175mm - 200mm

    Inc VAT: £27.54
  • Fernco Adaptor Coupling 111-1-4 / 85mm - 76mm

    Fernco Adaptor Coupling 111-1-4 / 85mm - 76mm

    Inc VAT: £7.14
  • Flexseal Adaptor Coupling 121-136 HD-115mm

    Flexseal Adaptor Coupling 121-136 HD-115mm

    Inc VAT: £7.80
  • Flexseal Standard Coupling 355mm - 385mm

    Flexseal Standard Coupling 355mm - 385mm

    Inc VAT: £59.40

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