Durable plastic vent valve for surfboards and other boards that require a breathable, waterproof vent. It automatically vents to balance internal air pressure while preventing water intrusion. The valve installs quickly with standard vent openings on most boards; no tools required. Built from high-grade plastic, it is compact, low-profile, and resistant to salt, UV, and wear. Key benefits: - Protects against pressure-related damage and delamination by keeping internal pressure in check - Keeps water out while allowing air to escape and enter as needed - Simple, reliable installation and maintenance; compatible with a wide range of boards Key specifications: - Material: high-grade plastic - Size: compact, low-profile; fits standard vent openings (verify dimensions in specs) - Performance: automatic, breathable venting; corrosion- and UV-resistant Practical use scenarios: - You travel between climates (tropical to temperate) and need safe pressure equalization during altitude/temperature changes - You surf in varied sea conditions, pressure fluctuates with waves and paddling; vent maintains balance automatically - You store or transport boards in hot vehicles or humid environments; vent reduces moisture risk and potential damage Compatibility: - Works with surfboards, stand-up paddle boards, and other boards that use breathable vent valves. Check your board's vent opening size for exact fit