Secchi Disk With 50 Foot Rope intended-usage_Residential/Light Commercial This No Lifeguard On Duty

This No Lifeguard On Duty With Graphic aluminum sign measures 18 x 24 inches

The valve helps to relieve pressure that builds up inside the filter

It accommodates 1

50 inches for the rail tubing and the distance between the front rail and back rail is 72 inches

This is an update of the 2008 VGB certification

Secchi Disk With 50 Foot Rope intended-usage_Residential/Light Commercial This No Lifeguard On DutyOur Secchi Disk is used to measure the depth at which a person can see into the water, thereby assessing water clarity. This clarity measurement is required by the majority of state health boards for swimming pool safety. This disk is double sided and allows for two different types of visibility indicators. The representation is a 6 inch black disk offset on a white circle, as well as alternate black and white quadrants. Compliant with numerous state