Ocean Signal MOB1 + EDF1 Rodney Marine Snowbee Classic Neoprene Cleated Sole Chest Waders 12 4Boats SAE 250 Mineral Classic Gear Oil GL 1 Classic 4Boats 000EP SEMI FLUID GREASE STEERING BOX GREASE 4Boats Ocean Toilet Control Panel Silent C W Level Indicator 4Boats. Ocean Signal Replacement activation sliders for Ocean Signal MOB1 units to help maintain reliable activation and emergency readiness. Ocean Signal Replacement slider restores MOB1 activation Pack of 10 supplies spare parts for servicing Compatibility designed to fit Ocean Signal MOB1 units Durable construction suited to marine conditions Compact size easy to store aboard