Description Upgrade Kit - Interpuls Pulsator with 4 outlets for Surge Bucket Milker. You will like this pulsator. No need to rebuild or work on it every few months like your original Surge pulsator. Long life. Little maintenance. Interpuls brand pulsator is made from Silicone, Nylon, and stainless steel components - NO Brass! 60/40 ratio - Adjustable speed. L80 4 exit ***Note this works best on Surge Buckets with a tilted forward lid ring. If the top of your bucket is flat, then its hard to get the Surcingle Rod between the pulsator and bucket handle. Buckets with a domed shape top making the lid ring tilt forward work better. See detail images for better explanation. note bucket and lid not included, just for illustration Kit includes; 4319 Interpuls 4 outlet Pulsator 60/40 for cow milking 4323 mounting adapter for Surge C style lids 4318 Bottom O-Ring seal for 4323 Surge mounting adapter Kit will only work with the style bucket lid shown in the detail image. The pulsator mounting stem is the important detail about the lid. These lids have a stainless steel check valve with a small rubber cap on the top. the original pulsators on these lids usually had a serial number starting wit