EXTRA LARGE SPACE ENOUGH The chlorine tablet float inlets are 18 (7"). It can hold chlorine tablets from 1 to 3.5 inches. Designed to ensure long term use instead of operation frequent. EASILY FLOATINGChlorine tablet dispenser floats around chemical tablets in diffusion effortlessly!the right amount of chlorine to release over time, evenly distributed!Never worry about chlorine levels in your swimming pool or your spa.Humanized design lets you rest assured. HIGH QUALITY AND UNIQUE DESIGNChlorine tablet floater made of durable and sturdy ABS plastic to serve you for many years to come.Has a lockable cap and an adjustable ring for complete control.Has an adjustable flow port at different positions to control the release of chemicals. EASY TO USEOpen the lid and slowly add c chlorine or soluble chlorine particles, and put it into the swimming pool after setting the outlet. It can automatically lower the water level when the water pump stops working. APPLICABLE SCENESuitable for swimming pool, water park or spa plug and play. the locking cap holds the chlorine tablets securely, providing a safer and more enjoyable pool experience.