The CMBecker Inline Flow Control 7mm Barb is necessary for those looking to use tubing that has an inner diameter of 5/16 or 3/8"

• Use with CMBecker In-Line Flow Control Compensator
• Stainless steel nipple, only stainless steel touches your beverage
• Works with CMBecker International shanks.
• Includes CMBecker beer nut
• The size is 7mm which is slightly wider than 1/4" at 0.27"
• This will not work with a standard shank, it works with CMBecker shanks.