National Hardware N199-703 V837 Sliding Dead Bolt/Chain Guard, Solid Brass Nutdriver Sets Crystal Plex is a liquid

Crystal Plex is a liquid copper sulfate solution designed to kill and control algae and some aquatic plants including Hydrilla

carpenter beetles

Protects metal

Replacement bulb Catalog ID: 40535526 or 40625395

National Hardware N199-703 V837 Sliding Dead Bolt/Chain Guard, Solid Brass Nutdriver Sets Crystal Plex is a liquidHighlights: Series: V837 Finish: Solid Brass Material: Hardened Steel Fasteners: 1 x 6 Sheet Metal Screw Dead Bolt Chain Guard Sliding This combination dead bolt and chain guard is designed for added security Partial opening of the door is permitted for ventilation or viewing while resisting possible forced entry Can be installed on either wood or metal doors Includes an additional strike for use as a dead bolt Case hardened steel chain is for added