Perlick 650 Series Forward Sealing Flow Control FaucetIn addition to the Perlick exclusive forward sealing design features, the 650SS Forward Sealing Flow Control Faucet features a flow compensator. The flow compensator provides more control because by adjusting the flow control handle, you can adjust the restriction for hard to pour beers. You can also adjust the flow control handle to slow the flow for pouring sampler glasses, flights, or growlers as well as reduce the amount of foam when pouring into