X2/X3 Shrink Tube - Black - 80 mm - 4 Feet ad-label_Accessories 50 inches for the rail

50 inches for the rail tubing and the distance between the front (pool) rail and back (anchor) rail is 48 inches

Extensive laboratory and field tests have shown it to be very accurate and reliable

This is a PVC Schedule 80 Tee with Slip x Slip x Slip fitting connections that measure 1-1/4 Inch

Each test uses a well in the disk

This Strainer Y is described as Hayward's 2 Inch Clear PVC Y-Strainer Socket

X2/X3 Shrink Tube - Black - 80 mm - 4 Feet ad-label_Accessories 50 inches for the railThis is an AquaProducts Black Shrink Tube measuring 4 feet or 80 mm. It is designed for the AquaMax X2, X3, Aquabot Plus, Magnum, Ultramax Jr, and any cleaners listed under Found in the Following Products.