![Knight Equipment Check valve, high pressure, plastic/ s.s. 1/4" tube x 1/8" MNPT Knight Equipment Check valve, high pressure, plastic/ s.s. 1/4" tube x 1/8" MNPT](https://cdn11.bigcommerce.com/s-xxofluljba/images/stencil/448x448/products/53248/65314/IMG_20210929_092457__22229__71873.1712745184.jpg?c=1)
![Knight Equipment Check valve, high pressure, plastic/ s.s. 1/4" tube x 1/8" MNPT Knight Equipment Check valve, high pressure, plastic/ s.s. 1/4" tube x 1/8" MNPT](https://cdn11.bigcommerce.com/s-xxofluljba/images/stencil/160w/products/53248/65314/IMG_20210929_092457__22229__71873.1712745184.jpg?c=1)
Knight Equipment
The Knight Injection Back Check Valve p/n 7901350 is used to inject a variety of chemicals into the water line. This injecton valve has a 1/4" OD Tube Connection and an 1/8" NPT Pipe Connection. The Duck Bill is made from Viton material which lasts longer than other elastomers. Duck Bill is Replaceable. See item number 0300437:Knight Replacement Duck Bill, Viton |