National Aluminum Hydraulic Screen Door Closer FLEX SHOT Zinc plating gives steel a

Zinc plating gives steel a clean look while also protecting against rust

no ethanol or oil added

Best suited to horizontal fillet welds

11" low pressure regulator

Copper to copper connections with corrosion resisting tin plated stabs

National Aluminum Hydraulic Screen Door Closer FLEX SHOT Zinc plating gives steel aSturdy built. Delivers smooth no bounce door closing action for wood or metal storm, jalousie or light interior door. Oil filled. Closer speed easily adjusted by rotating closer cylinder. Extreme temperature changes do not effect closer action. Polished aluminum tube, equipped with controlled power which allows selection of extra closing power at latching point.