Comparison : Item # 131-155-2, 1/8 Inch Hose Inner Diameter Polypropylene Hose Barb Elbow
Item # 131-155-3, 3/16 Inch Hose Inner Diameter Polypropylene Hose Barb Elbow
Item # 131-155-4, 1/4 Inch Hose Inner Diameter Polypropylene Hose Barb Elbow
Item # 131-155-5, 5/16 Inch Hose Inner Diameter Polypropylene Hose Barb Elbow
Item # 131-155-6, 3/8 Inch Hose Inner Diameter Polypropylene Hose Barb Elbow