Reducing Union 5/16" OD X 1/4" OD - RU-312-250 Outer Diameter: 5/16" Outer Diameter: 1/4" MPN: RU-312-250 Product Code: RU-312-250 This is an online offer only for a Limited Time! Availability: In stock Only £21.48 incl VAT. Delivery available to UK/Europe |