Non return valve oring size

[luke1982s]

Does anyone know the size of the oring on the tip of the non return valve behind the Q/F it's a ftp 900... Don't know if they are a universal fit or not thanks in advance luke

[eboswan]

Luke contact Julian in the spares section he will be able too help you out with advice and spare orings..

[luke1982s]

Thank you