This air pump has a pressure gauge, and an indicator mark to insure proper sealing. With a hook for convenient hanging on side of tank. Making sure your lid bladder is properly inflated is key to sealing the top of your variable capacity wine tank, this air pump is easy to use and easy to read.
Replacement pump assembly for any variable volume fermenter. Includes built-in gauge and line to connect with gasket, but does not include gasket. Made in Italy.