Boston valve replacement parts and oneway air valve caps — reliable, leakresistant replacements for inflatable boats and gear Key benefits Prevents air loss: oneway Boston valve design and an internal rubber pad at the bottom of the plug provide a leakproof seal for longlasting inflation. Compatible and versatile: works as a standard replacement for Boston valves on inflatable boats, dinghies, rafts, kayaks, pools and other inflatables. Durable performance: manufactured using professional production methods to ensure consistent quality and extended service life. What this product does Boston valve: direct replacement for standard Boston valves; functions as a oneway valve to retain air and allow controlled deflation when needed. Air valve caps: serve as universal oneway replacements for Bostonstyle valves on inflatable boats and similar equipment. Inflation valve air plugs: screwclosed design with a rubber pad at the base for a secure, leakresistant seal. Oneway inflation screw mechanism prevents backflow. Inflatable boat spiral: built to the same spiral/valve form used in inflatable boat fittings for reliable fit and function. Features and attributes Function: oneway valve operation for inflation and secure retention of air Compatibility: fits standard Boston valve openings and common inflatable boat valve configurations Seal: rubber pad at the bottom of the plug for improved leak resistance Design: screwclosed inflation plug and spiralstyle valve construction consistent with inflatable boat hardware Durability: produced with professional manufacturing techniques to maintain performance over time Practical use scenarios a leaking valve on a dinghy or rubber raft before a weekend on the water to ensure safe, full inflation. worn valve caps on a kayak or inflatable paddleboard to prevent slow deflation during transport and storage. Service pool toys or inflatable furniture by swapping in oneway plugs to restore a tight seal and extend product life. Notes for buyers Designed as replacement parts for standard Boston valves and likeforlike inflatable boat fittings. Check valve type on your item to confirm compatibility. The product focuses on valve function and sealing performance; follow normal installation and maintenance practices for inflatable gear.