Wager is an industry leader in marine vent check valves and deck equipment. Established in 1933, we offer a full range of vent check valves, horizontal vent checks, and mud-valves. 

Wager's inverted and vertical vent checks are all ABS Type Approved. We are also an ISO 9001:2015 Company. 

All Wager's  vertical vent checks, horizontals, and mud-valves are fabricated at our plant in North Carolina, USA.