Watertight Locking Fill Caps

Model FF, Watertight Locking Fill Cap - Assembly consists of a solid cast iron body with malleable iron hasp. The brass cover is gasketed to provide a waterproof seal. The body threads directly on to the line while the cap threads onto the body.

Fill Caps Beckett Corporation

Flow Security Systems, VersaLock

Flow Security Systems, VersaLock

HydroSure Complete 25m Drip Line Irrigation Nut Lock System

USA/Canada Marine Grade Twist Locking Inlet NEMA L5-20P 316

Aboveground Storage Tank Packages & Equipment Caps and Adapters

Morrison Brothers Co.

RV Fresh Water Locking Cap, Round Gravity Freshwater Inlet

Morrison Brothers Co.

4'' Watertight Enclosure Tubes – Marine Thinking