Holdrite 1/2" Double Tube-In Slab Support, Ext, Screw Cap

1/2" Double Tube-In Slab Support, Ext, Screw Cap The HOLDRITE® 703 Series provides a protective recessed cavity in the upper portion of the concrete floor, providing a space for the protection of either one or two 1/2" PEX tubes (with 3/4" protective corrugated tubing) or 3/4" electrical conduits.