3.5" Inlet Stainless Steel Double Braided 2.25" Flex Pipe Connector (4.25" Overall Length) Made of High Quality T304 Lightweight Welded Stainless Steel Outstanding & Optimum Durability. Constructed With Double Braided (Inner and Outer) Stainless Steel Wires & Anodized Trumpet Opening For Heavy Duty Applications Tightly Woven Interlock Braid Pattern for Reinforced Strength. Prevents Complicate Welding Process Inlet/ Outlet Diameters: 3.5"/ 3.5". Overall length (Including Extensions): 4.25". Inner Flex Length (Flex Portion): 2.25" Universal Application For 3.5" Pipings