💦 Fill it up, lock it down! Easily lockable with a small padlock for added security and peace of mind. Perfectly sized with a cutout dimension of 2-1/2" and an outside dimension of 3-1/2" x 3-1/2". O-ring protection minimizes spills and siphoning, keeping your space clean. Experience hassle-free water filling with combo hose connections for 1-1/4" and 1-3/8". Tank vent feature allows for quicker and easier filling, saving you time. Effortless filling Lockable security Dual hose connections The JR Products 37525 Polar White Slide-Out Gravity Water Fill is designed for convenience and security, featuring dual hose connections, a spill-proof O-ring design, and a user-friendly tank vent for quick filling. Its compact dimensions and lockable feature make it an essential addition for any water system.