4" X 3" ID UPVC Reducing Socket - RS13-43-UPVC Air Ring Mains use ABS. UPVC is not suitable for use with compressed air. Nominal Bore: 4" Nominal Bore: 3" MPN: RS13-43-UPVC Product Code: RS13-43-UPVC This is an online offer only for a Limited Time! Availability: In stock Only £18.62 incl VAT. Delivery available to UK/Europe |