Non- and Durable Easy to install, Connector:2 pcs Usage: For collecting milk, Cow milking machine accessory. Applied to the milking machine, milking parlor and milking cluster group. Pulsation Rate:60:40,Adjustable speed. Pneumatic pulsator is a device that causes a periodic change in air pressure.It will help you with milking cows and sheeps,greatly improving efficiency and saving time. High quality with plastic cover. An adjustable rate is fit for vacuum condition. Easy to install and clean. colour:blue Material:Plastic + stainless steel size:11cm x 9.8cm x 9cm Package Contents: 5 x milking machine pulsator 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. Note: 1. Please allow 1-3 mm error due to manual measurement and 1-3g weight error make sure you don't mind before ordering. 2. Due to the lighting of the photos and the difference of monitors, the pictures may not reflect the actual color of the real item. Please make sure you don't mind before ordering, thank you! About Shipping: 1.please pay attention to your delivery address such as: name, street, house number, doorbell/email without name, etc. is correct, or the order will not be delivered correctly. 2.All items will be shipped within 3 business days after the payment is received. Most times you will receive them within 8-12 days then. The specific delivery time is depend on circumstances. 3.During the shopping process, if you have any questions, please feel free to consult us, we will reply you within 24 hours Hope you have a pleasant shopping experience!