Protect your inflatable boats and toys with the K-Pump Pressure Gauge for Boston valves. This easy-to-use air pressure gauge lets you accurately measure the air pressure in your inflatable to ensure the best performance and help prevent a blowout.

• Fits most common Boston-style valves in float tubes, belly boats & pontoon-type watercraft
• Large, high-contrast mechanical display reads from 0 to 20 PSI
• Ribbed rubber case provides great impact protection & makes the gauge easy to handle
• Tether hole lets you attach a lanyard
• Ring-style adapter included
• One-year manufacturer warranty against defects
• Discontinued item. Limited to stock on hand

The Boston valve is a type of valve and different manufacturers make them slightly differently. The ring-style adapter may be needed on some valves and taken off for others. Slide the ring adapter onto the gauge tube body with the thickest portion of the ring facing upward. Make sure the ring is snug.