RB04A - Counterlung OP / Dump Valve Service Kit
Service kit for Counterlung OP/Dump Valve for all AP rebreathers.
Includes: non-return silicone mushroom valve, sealing diaphragm, base and base protector.
Note: A complete RB04 replacement valve is available from this site.
Removal and re-fit of the RB04 requires the specialist RBTOOL5 C-spanner.