The Valken Proconnect is an essential accessory for any player using a remote line. Using the Valken Proconnect will allow players to connect and dis-connect the remote line while it remains under pressure. Simply press the button to dis-connect and just push the fittings together to connect. It is the easiest way to detach the remote line from the gun without having to depressurize. The Valken Pro-connect is very reliable and doesn't require any tools for service. There is only one o-ring that ever needs to be replaced.