Stainless Steel Elite Ladder 5-Tread Kit With Hardware - 18.25 Inch Width fitting-type_Bushing They have a modern foam

They have a modern foam core

5 M and has a smooth surface

This eliminates the problem of pounding and knocking due to overheated water

which provides flexibility when mounting or integrating the blower into an OEM system

1 to 10 ppm (parts per million) or mg/l (milligrams per liter)

Stainless Steel Elite Ladder 5-Tread Kit With Hardware - 18.25 Inch Width fitting-type_Bushing They have a modern foamThis is a package of five Elite Ladder Treads which are made of 304 Stainless Steel and measure 18. 25 inches center to center. The Elite Ladder Treads are recommended for commercial or residential elite model pool ladders. Hardware is included: 3 8 inch x 2 3 4 inch bolts and hex nuts. Our ladder tread width measurements are from center to center. Please measure the center to center dimensions of your rails before ordering.