Tecline Donut 13 Wing Colour:Black The circular donut shape is

The circular donut shape is a tried and tested design that allows for easy operation in any position because of the free and obstructed movement of gas

snorkelling

causing them to lose the the gas

while at depth

and one tank band for stage or sidemount tanks each

Tecline Donut 13 Wing Colour:Black The circular donut shape isThe Tecline Donut 13 wing is a classic design for single tank divers who believe, "If it aint broke, dont fix it." Tecline has kept the design, made it more durable and added some innovations to boot! The Donut 13s oval shape is a tried and tested design that allows for easy operation in any position with free unobstructed flow of air between the sides, top and bottom, when shifting the air around the bc for compensation. It boasts a lift capacity of