Replacement Rubber Gasket Seal Ring For Cuisinart Blender,A+ Quality,SPB-456-3 This Gasket fits the following Cuisinart Blenders. Cuisinart part # is SPB-456-3 BFP703, BFP-703, BFP703B, BFP-703B, BFP703CH, BFP-703CH, SPB-7, SPB7, SPB-7BK, SPB7BK, SPB-7CH, SPB7CH, SPB-7BC, SPB7BC, CB7, CB8, CB9, BFP-703, BFP703, BFP-703BK, BFP703BK, BFP-703CH, BFP703CH, BFP703R, BFP-703R, CBT-500, CB-18 series blenders and SPB-6 series blenders and SmartPower Duet Blender/Food Processors