Duckbill exhaust valves made from food grade silicone SECOND DESIGN

Currently on sale!!! For how long? Nobody knows so don't delay.!

The Scuba Museum has added a new design of the silicone rubber duckbill to it's inventory. These are just some more food grade silicone goodness. These are thicker than our previous duckbills and hold there shape more than the prior ducks we have sold for years. You are buying one duckbill.

Made from food grade silicone that will last virtually forever. They won't turn to goo like the original neoprene duckbills did either.