Comparison : Item # 4511-0251, 1/4" I.D.
4511 FDA Braided PVC Hose
Item # 4511-0311, 5/16" I.D.
4511 FDA Braided PVC Hose
Item # 4511-0381, 3/8" I.D.
4511 FDA Braided PVC Hose
Item # 4511-0501, 1/2" I.D.
4511 FDA Braided PVC Hose
Item # 4511-0631, 5/8" I.D.
4511 FDA Braided PVC Hose