Description The IBS Valve Doubler is a critical item when replacing or repairing Rib inflation/deflation valves. Suitable for all for Rib’s and Dinghy’s made from Hypalon Size is 12cm diameter x 3cm hole diameter Available in Black or Grey Pre cut doublers for reinforcing and fitting replacement A7, B7 , C7, D7 Valves & A6 Relief Valve See related products below for Glues etc
