Self-contained gravity flow eye wash units use gravity to deliver water through dual spray heads. Top operate unit, fill unit with clean potable water and add bacteriostatic additive (supplied with unit). Water flow is activated by pulling down on bright yellow eye wash tray. Integral full flow nozzles deliver soft spray of water, swing tray up to storage position to stop flow. Waste water is directed into drain opening in tank basin, 3 ft. long drain hose in basin directs discharge into floor drain, storage tank or other receptor. Furnished with epoxy coated steel bracket for mounting unit on wall, unit can also be placed on countertop or other flat surface.