Complete unit consists of a Corrugated Stainless Steel Flexible with Nipple, Reducer, Square Bar and Brackets Sizes: 700/800MM, 1000MM, 1200MM, 1500MM Max Service Pressure : 14 Bar (200 psi) Material of Construction: Stainless Steel Support Brackets, Inlet/Outlet Connectors and Square Bar - Mild steel, zinc plated UL Listed and FM Approved