Plastic Econoline Ladder Tread Step - 17.25 Inch Width monitors_pH ORP Salt/TDS Seven grids are required

Seven grids are required

This regulator is also UL listed #365M for compressed gas and suitable for carbon dioxide service

The tube works with Stenner 45

Designed for both kids and adults

Plastic Econoline Ladder Tread Step - 17.25 Inch Width monitors_pH ORP Salt/TDS Seven grids are requiredThis is a single S. R. Smith Econoline 17. 25 inch replacement ladder tread designed for 1. 90 inch rails. Made of high impact plastic, this step tread is recommended for residential ladders. Hardware is not included. Our ladder tread width measurements are from center to center. Please measure the center to center dimensions of your rails before ordering. Compatible hardware, if required, is item #AQ5006 (sold separately).