1-High quality plastic. 2-Large amount in stock. 3-Low price. 4-have different size check valve.

3/16 inch Universal Non-return Plastic Check Valves

We ship next day after you make payment

Size: Length*Diameter: 43 X 20 mm/1.7'' X 0.7''

Hole Inner Diameter: 3.79 mm/0.15''

Color: white

High quality plastic check valve to prevent water and oil backflow

With a outer diameter  to prevent water and oil backflow, especially for our tube.

We assure you about our Quality Guaranty.

Secure packaging with foams.