Stairtek RetroTread 11.5-in x 48-in Unfinished White Oak Stair Tread Soils It includes the filter housing

It includes the filter housing

weight capacity when evenly distributed

back and leg injuries

Use Earth Science Fast Acting Iron for a deep green without excessive growth

Long battery life with no memory effect ensures consistent performance over time

Stairtek RetroTread 11.5-in x 48-in Unfinished White Oak Stair Tread Soils It includes the filter housingUnfinished, stain or varnish to enhance the grain and complement your decor RetroTread is a product of Young Manufacturing patent #s US #8,141,321 B2, #8,371,090 B2, #8,720,158 B2 1 year structural warranty Features Collection Name RetroTread Manufacturer Color Finish N A Color Finish Family Brown Material Wood Wood Species White oak Finish Unfinished Paint Grade No Stain Grade Yes Actual Width (Inches) 11. 5 Actual Length (Inches) 48 Actual Thickness