Size Compatibility: Thread diameter measures 22mm (0.87 inch), perfectly fits 22‑mm holes. Please double‑check your original valve size before purchase to ensure a proper match for your inflatable equipment.
Durable ABS Material: Made of premium corrosion‑resistant ABS plastic, these air valve screw caps are sturdy, long‑lasting, and resistant to wear‑and‑tear for long‑term marine and outdoor use.
One‑Way Quick Inflation Design: Features a one‑way inflation structure for fast, efficient air filling. Effectively prevents air leakage after inflation, saving your time and ensuring stable air pressure.
Wide Application Range: Ideal replacement air valve screw plugs for most inflatable boats, rafts, dinghies, kayaks, air mattresses and other inflatable water toys. Note: NOT suitable for mesh boats.
Easy Installation: Simple spiral‑thread installation, easy to screw on/off without complicated tools for convenient replacement.