1062 rubber duckbill check valves products are offered for sale by suppliers on Alibaba.com, of which other rubber products accounts for 45%, check valves accounts for 40%, and valves（old） accounts for 1%.
A wide variety of rubber duckbill check valves options are available to you, such as brass, stainless steel and iron.You can also choose from vacuum, low pressure and medium pressure rubber duckbill check valves,as well as from 1/4in, 3/8in, and 1/2in rubber duckbill check valves, and whether rubber duckbill check valves is low temperature, medium temperature, or normal temperature.
