1. PVC extrusion parts for cooling tower, cooling system. 2. Size: 280mm wide, 78mm high, 3mm wall thickness. 3. Custom made pvc 1. PVC extrusion parts for cooling tower, cooling system.2. Size: 280mm wide, 78mm high, 3mm wall thickness.3. Custom made pvc extrusion profile, plastic profiles are available. PVC Profile for Cooling Tower