5/16" X 5mm Poly Tube - 2021-5281 OD X 2.5 ID POLY HOSE BLUE ESTER 30M Outer Diameter: 5/16" inside Diameter: 3/16" Inner Diameter (mm): 5 MPN: 2021-5281 Product Code: 2021-5281 This is an online offer only for a Limited Time! Availability: In stock Only £42.11 incl VAT. Delivery available to UK/Europe |