For 4mm to 5mm pipes.
One Way Non Return Valve for Inline 4mm - 5mm Pipe Windscreen Washer Cleaning
5 Universal Windscreen Washer Pipe One Way Non Return Valves For Audi, Fiat, VW
2 x One Way/Non Return Valves for 4 - 5mm Windscreen Washer Pipes Brand
WINDSCREEN WASHER PIPE ONE WAY NON RETURN VALVE FOR AUDI FIAT VOLKSWAGEN VOLVO
2pcs Car Windscreen Washer One Way Non Return Valve Pipe Hose Tube Universal
1pcs Car Windscreen Washer One Way Non Return Valve Pipe Hose Tube (Universal)
