Speakman SE-4300 GravityFlo 20-Gallon Portable Emergency Eye Wash with Drench Hose Allows you to provide an emergency eyewash anywhere that it is needed, even where potable water is not available 20-gallon tank with pull-strap activation provides hands-free operation to deliver water to the eyes for the full recommended 15 continuous minutes Includes side-fitting drench hose that can be used for spot body flushing Easily refillable and includes tamper-resistant fill cap Includes wall-mounting bracket ANSI/ISEA Z358.1 Certified