Part Number:BK4X4-BB Item Weight:8.99 pounds Product Dimensions:8.5 x 8.5 x 19.2 inches Item model number:BK4X4-BB Finish:Stainless Steel Material:Stainless Steel Item Package Quantity:1 Flow Rate:4 GPH Certification:certified frustration-free Batteries Included?:No Batteries Required?:No Warranty Description:New Millennium Concepts, Ltd. (makers of the Berkey Systems) Warrants this product to be free from defects in materials and workmanship for a period of 6 months from date of purchase. Black Berkey purification elements have a two-year prorated warranty calculated in six months intervals. Not available to ship to California or Iowa. Shipping Weight:8.99 pounds (View shipping rates and policies)