Rowing Boat Air Valve Adaptor, Sup Board Kayak Pump Adapters. Features High Quality This SUP Pump Adapter is Made of High Quality Copper and Rubber Materials, It is Quite Sturdy and Durable. SUP Electric Pump Adaptor Utilizes a Standard Valve Fitting to Couple with an Air Compressor or Bike/tire Pump. Widely Applications No Need for Paddle-specific Air Pump, the Conversion Head Can Connect the Ordinary Inflatable Tube to the Paddle.Widely Applicable to Various Canoe, Kayak, Paddle Board, Inflatable Boat Etc. Fits All Halkey Roberts H3 Inflation Valves and Wakooda, Wahoo, Tower, Red Paddle, Isle Explorer, SeaEagle, Hala and Sevylor Board Valves. Easy to Use With the Valve in the Closed Position, Insert the Schrader Valve Fitting and Rotate to Lock in Place. Remove the Cap on the Fitting, and Connect a Standard Electric Pump, Bike Pump or Compressor and Inflate to the Recommended PSI.  Recommended: Because the Compressors/tire Pumps Take Time to Inflate, It is Recommended to Inflate the Board by Hand Until It Becomes Difficult to Pump, and then Use the Adaptor to Top off the Pressure. Specifications: Material: high Quality Copper and Rubber Materials Size: As Picture Shows Package:1pcs Model Number: Adapter146 Length: 8cm Outdoor Activity: Drifting . We are an international seller, your order will be shipped from abroad so please allow the necessary time of minimum 14 working days for delivery right now depending on where you ship to, due to ongoing delays in postal deliveries globally.