NON-RETURN-VALVE, O 12-13-15mm Back Catalog number: 419 Availability: In the manufacturer's stock Price on request - + Recommended MXP7900-000 MX series II Two-position, six-port valve, DL Price on request 1002734873 Insert Acetal N-Valved Price on request 0840.712 Syringe valve including valve bush Price on request