SP540-580 Series Clear Light Lens pipe-size_5/16" This is the 3-1/2 foot

This is the 3-1/2 foot 2-Step Lookout Lifeguard Chair that features an elevated 360 degree swivel seat that sits on a non-skid platform

It weighs approximately 185 lbs

The precision-engineered extruded core design provides maximum water flow while reducing energy cost

and (2) Drive Shafts and Bearings

SP540-580 Series Clear Light Lens pipe-size_5/16" This is the 3-1/2 footThis is a Hayward Clear Lens replacement for SP540 580 Series lights. The size of this lens is 7 9 16 inch diameter (tempered). This lens is for use with the SP0540, SP0541, SP0542, and SP0543 StarLite Series. This lens will also fit the SP560 570 Duralite Series and the SP580 Astrolite Series.