Comparison : Item # MH-5, 1/8 Inch (in) National Pipe Thread (NPT) Male to 1/8 Inch (in) Inside Diameter Hose Barb Fitting
Item # MH-6, 1/8 Inch (in) National Pipe Thread (NPT) Male to 3/16 Inch (in) Inside Diameter Hose Barb Fitting
Item # MH-7, 1/8 Inch (in) National Pipe Thread (NPT) Male to 1/4 Inch (in) Inside Diameter Hose Barb Fitting
Item # MH-8, 1/4 Inch (in) National Pipe Thread (NPT) Male to 1/8 Inch (in) Inside Diameter Hose Barb Fitting
Item # MH-9, 1/4 Inch (in) National Pipe Thread (NPT) Male to 3/16 Inch (in) Inside Diameter Hose Barb Fitting