Photo 1 of 28 Pcs Plastic Check Valves, Plug-in Barb One Way Vacuum Check Valves for Liquids and Gases (1/8, 5/32, 1/4, 5/16, 3/8, 1/2 inch)

Double tap image to zoom

Photo 1 of 28 Pcs Plastic Check Valves, Plug-in Barb One Way Vacuum Check Valves for Liquids and Gases (1/8, 5/32, 1/4, 5/16, 3/8, 1/2 inch)Photo 2 of 28 Pcs Plastic Check Valves, Plug-in Barb One Way Vacuum Check Valves for Liquids and Gases (1/8, 5/32, 1/4, 5/16, 3/8, 1/2 inch)