Features: *For inflatable boats, kayaks, airbeds, canoes, pool rafts, rubber dinghys, BIGMOUTH inflatables etc* -way inflation valve* For Lay-Z-Spa Air Chamber Screw Valve *SID Air Chamber Valves are used to preserve air for Lay-Z-Spa air chamber.*Replacement Air Chamber Screw Valve to fit later for Lay-Z-Spa inflatable sizzling tub units as indexed below.*Valve will match models below:- For Lay-Z-Spa Premium/Miami Model Number BW54112 (Later Style)- For Lay-Z-Spa Vegas Later Style (with either single valve or three valves) Specification: -Material: Plastic-Color: black-Screw Thread Part Diameter: Approx. 22mm-Quantity: 1 Piece Package content: 1×Boston Air Valve Note: 1. The real shade of the item may perhaps even be slightly different from the images shown on web pages attributable to many points reminiscent of brightness of your visible show unit and light-weight brightness. Please enable slight guide size deviation for the data.