100DM4 Double Head Adjustable Flow Pump - 25 PSI 70 GPD 120 Volt - 3/8 Inch Standard Tubing max-PSI_25 it has an automatic timer

it has an automatic timer shut-off and air sensor

and even algae

The o-ring is 3-3/8 Inch OD x 3 Inch ID x 3/16 Inch thick

This Danger No Lifeguard Beyond This Point With Graphic aluminum sign measures 12 x 18 inches

This Warning No Lifeguard On Duty (13 Years And Under) aluminum sign measures 18 x 24 inches

100DM4 Double Head Adjustable Flow Pump - 25 PSI 70 GPD 120 Volt - 3/8 Inch Standard Tubing max-PSI_25 it has an automatic timerThis Stenner chemical pump #100JL4A3STAA provides reliable chemical feeding for your swimming pool. This adjustable flow pump is rated to pump 70 gallons of chemicals per day at 25 PSI. This stenner pump is a great choice for all your chemical needs.