Lockable RV Inlet 80mm Watertight Water Plug Inlet Filling Tank Equipment with 2 Keys Fits 38mm Water Pipes, 30-40mm Door Plate for Motorhome Trailer Caravan

Widely Applicable: Water injection cap fits all motorhomes with door panels 30-40 mm/1.18-1.57 inches thick, including other caravans, motorhomes, boats, etc.

Cap Design: Water injection cap has a bayonet cap, a 0.3-inch vent to accelerate filling speed, and a 1.6-inch barn door connection.

At the same time, the spring and sealing ring design effectively prevents leaks and loosening.

Waterproof with Lock: The water injection cap is equipped with a lock and two keys, making it convenient for water storage and ensuring water safety outdoors.

Plastic Material: The water injection cap is made of stable, food-grade PP plastic, which is strong, rust-resistant, and durable, reducing the frequency of replacements and lowering your costs.