This is a Rectangular coil heat exchanger used in bio lab equipment. 

 - Material: 304 Stainless Steel (316L, 321, etc. Stainless Steel available to order)
 - Tubing Dimensions (O.D.×Thickness, in./mm): 0.315" × 0.020"/ 8mm × 0.5mm
 - Coil Dimensions(Coil Width x Length x Turns in./mm): 3" x9" x 30 / 76.2mm x 228.6mm x30