The Quick-Sling® QSWB2004 is an extra large flat wall or siding mounted bracket. The QSWB2004 includes a slider track which allows the shelf/arms to adjust from 11 - 40 in. widths. The Quick Sling line of wall brackets provide a quick, safe, and stable way to mount an outdoor mini-split unit to multiple types of wall structures. They are designed for easy access during installation, service, and maintenance. The rated capacity is 350 lbs. This product is made by DiversiTech®.