Competition Backstroke Start Device filter-length_31 inches This is a Schedule 80

This is a Schedule 80 One-Piece Flange with a 4 inch threaded female connection

This is a SkimSaver Lid'l Seal Kit AG1090 which protects from freeze damage most aboveground 6 inch opening skimmers including Hayward SP1090

It automatically regulates the water flow to help keep the water temperature in the heat exchanger above 105 degrees F

The motor specifications work with Hayward SPX1520Z2ES

non-slip comfortable surface contour with an advanced finish

Competition Backstroke Start Device filter-length_31 inches This is a Schedule 80The Competition Backstroke Start Device by Colorado Time helps eliminate slips at the start of a swim race. This device features an anti slip foot backstroke wedge for that purpose. It is red in color to increase visibility under water. This unique device holds an Australian and U. S. Patent. The Backstroke Device has a versatile design which allows the device to attach to nearly any starting block with either straps or anchors. The non slip