Universal Fit: Compatible with 1.25" and 1.5" fill hoses and 1/2" vent hose. Reinforced Design: New, stronger construction ensures a secure and lasting connection. UV-Resistant Plastic: Maintains color and strength even under long sun exposure. Sleek Flush Mount: 4.5" overall diameter fits neatly with a 3.5" recessed hole. Easy to Use: Simple gravity fill function—no pressure or threading needed. Made in the USA: High-quality materials built for long-term reliability. Upgrade your RV or camper with this high-quality angled flush mount gravity water fill hatch. Designed for 1.25" and 1.5" fill hoses and a 1/2" vent hose, this hatch provides easy, pressure-free tank filling. The new reinforced design ensures durability and a secure fit, while the UV-stabilized white plastic maintains its clean look year after year. Its sleek recessed mounting style blends seamlessly with your vehicle’s exterior. Built for long-lasting performance and reliability, this gravity fill hatch is perfect for any RV, camper, or trailer fresh water system. Made in the USA for trusted quality.