Package includes: 1 pcs bonnet and poppet repair kits with bonnet, stem, spare rubber ring, spring, lubricant, poppet, gasket, e-ring. Suitable for: Fit for 765 CBV 1/2Inch, for 765 DBV 3/4Inch for part number 905-211 backflow preventer, pressure vacuum Breaker. Note: Please check that part number 905-211 is the correct part you need before placing your order. Material: Made of high quality material, lead free, strong sealing and long service life. Easy to install: The bonnet can be installed by simply twisting it by hand. To facilitate installation, it is recommended that the included lubricant be applied to the bearings and threads before use. Type:B:Fit for 765 CBV 1/2Inch, for 765 DBV 3/4Inch Colour:As Shown Material:ABS Package Contents: 1 * bonnet and poppet repair kits Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.