Extra Cap

• REPLACEMENT BOSTON VALVE CAP – Designed to fit standard Boston valves commonly used in Tube Pro river tubes, snow tubes, and inflatables.
• TIGHT SEAL FOR AIR RETENTION – Ensures a secure, airtight fit to prevent leaks during inflation or use.
• DURABLE PLASTIC CONSTRUCTION – Made from high-quality, rugged plastic that withstands sun, water, and repeated use.
• EASY TO INSTALL AND REMOVE – Simple twist-on/twist-off design allows for quick replacement without tools.
• PERFECT BACKUP OR REPLACEMENT PART – A must-have for tubing outfitters, rental operations, or individual users needing a reliable spare cap.

Keep your inflatables airtight and adventure-ready with the Tube Pro Replacement Boston Valve Cap. Designed to fit most standard Boston valves used on Tube Pro river tubes, snow tubes, and other inflatables, this cap is a reliable backup or replacement to keep on hand. Crafted from durable, UV-resistant plastic, it provides a tight, leak-resistant seal, helping maintain proper inflation throughout your float or ride. Whether you’ve misplaced your original cap or need extras for your rental fleet, this easy-to-use twist-on cap installs in seconds without tools. Lightweight and compact, it’s the perfect addition to any tubing kit or repair box. Trust Tube Pro for reliable, high-quality tubing accessories that keep your gear in top condition.