Product code: L025554
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97-107mm Inlet x 4/110mm Outlet 90deg Flexible WC Connectors (Long Length) with 1.1/4 Universal Vent Boss. There is no British Standard for Flexible WC Connectors but McAlpine Connectors comply to German Standard DIN 1389:2000-05 for Flexible WC Connectors. Tested by German Testing House LGA, Certificate Number 0120208-02 and other Testing Houses. Tests prove conclusively that there is no build-up of sediment and the product is perfectly fit for purpose