This Air Valve will fit most inflatable boats , river rafts and RIBs . Valve comes in three parts. One inside part , one outside part and valve cap. Diameter: 2.95 inches (7.5Cm) . Height : 2.17inches (5.5Cm). Shipping information: All items are in stock and will be shipped within 24 hours after receiving cleared payment. Please note that items purchased on weekends will shipped the next working day. We offer the competitive prices online and Free Shipping to Lower 48 states. Sorry we can not to Hawaii,Alaska,Puerto Rico . All International Buyers are responsible for paying any required duty or import taxes. Please note that we are not able to ship to PO Box address. Local pick up welcomes. please contact us for the details. Warranty Return: All BRIS boats come with 3 years warranty on the seams and 1 year on auxiliary fittings, such as handles, oarlocks, oar holders, D-rings, etc.Damage and normal wear, tear are not covered . Guarantee begins when product is delivered. Return is accepted within 30 days of receipt after you fully explain the problems. Please allow up to 5 business days for returns to be processed. All items must be returned in original packaging, including all accessories.Such as aluminum floor, oars, foot pump and repair kits etc. Customers are responsible for charges associated with shipping of returning item .