Stainless Steel Ladder Tread Step - 17-11/16 Inch Width portability_Permanent 90 inches for the rail

90 inches for the rail tubing and the distance between the front (pool) rail and back (anchor) rail is 36 inches

sequential backwashing

This Meyco pool safety cover is designed to fit a Rectangular 18 x 36 Foot Pool with 4 x 8 Left 1-2 FT Offset

The Hammerhead vacuum head HH1310 replacement features a 21 inch vacuum head

Stainless Steel Ladder Tread Step - 17-11/16 Inch Width portability_Permanent 90 inches for the railThis is a single 17 11 16 inch center to center stainless steel ladder tread designed for residential ladders. This is an older style S. R. Smith tread replacement. The tread is constructed of 304 stainless steel and is sold without hardware. If you require hardware, order item #AQ5006 (3 8 x 3 1 4 inches). Our ladder tread width measurements are from center to center. Please measure the center to center dimensions of your rails before ordering.