Ampco Factory-Built Grease Ducts are modular and weigh lighter than welded black iron. No slope is required, and the product is fully code compliant with UL standards. Ampco grease ducts require no welding and no light test. Seven interchangeable options are available including single wall to double wall insulated. Standard stainless round construction and a lifetime warranty are available.

Ampco, Commercial Products Group, 815 Kimberly Drive, Carol Stream, IL 60188; (800) 624- 8642; fax (866) 466-9335; info@commercialproductsgroup.com; www.ampcostacks.com.