Mares Proton Ice Extreme MR32 first stage Balanced diaphragm design Tri-material valve CWD Kit DFC 2 HP 7/16" UNF ports 1 LP 1/2" UNF port (primary) 3 LP 3/8" UNF ports Weight: 904g INT1710g DIN Second stage (Octopus also) All-metal technology Case and key componets with fluoropolymer resin finish VAD Mesh-grid Weight: 244g

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