Two Parker Hannifin 6-6-WBZ-SS Bulkhead Unions in stainless steel are designed for 3/8 in outer-diameter tubing and are sold as a pair. Part number 6-6-WBZ-SS identifies this bulkhead union in Parker Hannifin's catalog. These stainless steel bulkhead unions provide a through-bulkhead connection for 3/8 in OD tubing in compatible fluid systems.
