GAME 4002 Derby Duck Pool Chlorinator Built-in regulator Dispenses up to 3" tablets Adjustable flow rate Expandable basket For pools over 10,000 gallons Holds 3" chlorine tabs (not included) Adjustable flow rate Expandable basket For pools over 10,000 gallons Holds 3" chlorine tabs (not included) Adjustable flow rate Expandable basket For pools over 10,000 gallons