The 3004W Round Bottomless Stainless Steel Espresso Knock Box, when properly mounted in your counter, this open bottom round stainless steel knock box is perfect for the clean disposal of spent espresso grounds directly into a larger receptacle below. A nice functional feature for your espresso bar.
Round knockbox hush gaskets are available for an easy inexpensive way to cut down on noise.
Also available is the Round Stainless Steel Espresso Knock Box (item# 3004) with the bottom.
 "(3004W) Bottomless Round Espresso Knock Box")
