IST Surface Marker Buoy Mares Dive Masks Elegantly curved 4-inch cutting edge

Elegantly curved 4-inch cutting edge

Innovative hydrofoil design and hybrid rib produce greater forward motion (lift) both on the surface and underwater

High efficiency constant current circuit

Internal stainless steel D-ring

IST Surface Marker Buoy Mares Dive Masks Elegantly curved 4-inch cutting edgeThe IST Surface Marker Buoy is a simple 114cm long sealed tube SMB that is inflated prior to the dive to signal your position or once returned to the surface. It is made from a tough 210D nylon with PU coating for durability and is fitted with an oral inflator valve, bungee loop for rolled storage and an anchor point for your line. Its equipped with SOLAS approved reflective tape which improves visibility in daylight and for surface lights during your