Air Arms S310/ S400/410 Fill Valve Upgrade Perfect for heavy use

Perfect for heavy use

the second stage valve is designed and manufactured for pneumatic operation

whether double ender or the smallest clip can easily be handled in the thickest dry glove systems

in water is probably every diver’s desire

Must have logged at least 5 hours between 27-40m

Air Arms S310/ S400/410 Fill Valve Upgrade Perfect for heavy useUpgrade your old snap coupler style fitment to the current version of Air Arms filling system. Parts included: Replacement Fill Valve Body with O rings Current style Fill Valve Current style Fill Adaptor New End Cap Not suitable for the S200 We recommend that these items are only fitted by a competent person.