Item: Sealing Gasket for Replacement Cuisinart Blenders Key benefits - Stops leaks by sealing between the cutter and the jar, preserving blend quality. - Made of silicone for excellent toughness and resistance to deformation. - Easy to install; a direct, perfect replacement for original parts. - Broad compatibility with Cuisinart models and other standard blenders. Part and compatibility - Part number: SPB-456-3 - Replacement gasket for Cuisinart blenders; also suitable for Hamilton Beach/Proctor Silex blenders; suitable for most standard models - Fits a wide range of models including the following: BFP703, BFP-703, BFP703B, BFP-703B, BFP703CH, BFP-703CH, SPB-7, SPB7, SPB-7BK, SPB7BK, SPB-7CH, SPB7CH, SPB-7BC, SPB7BC, CB7, CB8, CB9, BFP703R, BFP-703R, CBT-500, CB-18 series, SPB-6 series blenders, and SmartPower Duet Blender/Food Processors Product details - Material: Silicone; robust, flexible, and resistant to deformation - Function: Flat O-ring gasket that sits between the cutter and jar to prevent leaks - Design: Clean, simple replacement part that restores original performance Use scenarios - Scenario 1: After heavy use, replace a worn gasket to restore a tight seal on a Cuisinart blender, eliminating leaks during blending. - Scenario 2: During routine maintenance of SPB-6/SPB-7 family units or BFP-series models, swap in this gasket to maintain optimal sealing and performance. - Scenario 3: Replacing a gasket in a SmartPower Duet Blender/Food Processor to prevent leaks and extend appliance life. Note - Designed as a reliable, easy-to-install replacement that matches the original function and compatibility of the noted models.