Plastic Recessed In-Wall Step - 17.5 Inch Width - Black width_30 Inches it is constructed with a

it is constructed with a plated spring steel frame that will not rust

It is used for calcium

the hose is commercial grade quality

This is a PVC Insert Bullhead Tee with Insert x Insert x Bullhead Insert fitting connections that measure 3/4 x 3/4 x 1 Inch

Plastic Recessed In-Wall Step - 17.5 Inch Width - Black width_30 Inches it is constructed with aThis is one 17. 5 inch wide plastic recessed in wall step, in black, by S. R. Smith. The step is designed to be recessed into your pool wall. The S. R. Smith recessed pool steps are made of thick injection molded plastic with . 5 inch wide decorative lip to speed and beautify installation. The steps have a slightly textured bottom tread for safety and are intended for permanent installation in your pool or spa.