Dolphin Stopwatch Replacement filter-width_20 1/4 inches The stand has feet at

The stand has feet at the bottom and can be moved around the deck or dock area easily if not anchored

At least one hydrostatic relief valve in a set of suction outlets will allow hydrostatic uplift pressure caused by ground water to be relieved into the pool or spa

measuring 30 inches

This Rotational Conversion Kit includes an Actuator

Surface water removal is accomplished though the use of an automatic pump (sold separately) and is required by ASTM standards for solid pool covers

Dolphin Stopwatch Replacement filter-width_20 1/4 inches The stand has feet atThis is a Colorado Time Systems Stopwatch replacement for the Dolphin Timing System.