RZL-220B-2V-EK Dixon Valve FKM Single Mechanical Seal Pump Elastomers Repair Kit for JRZL-200 Series Rotary Lobe PumpsPart Number Description Includes: RZL 220B 1E EK EPDM Single O Ring Seal Pump Elastomers Repair Kit 2 O Ring, Rotor Bolt, EPDM, 2 O Ring, Rotor, EPDM, 2 O Ring, Rotor Case, EPDM, 1 O Ring, Front Cover, EPDM RZL 220B 1V EK FKM Single O Ring Seal Pump Elastomers Repair Kit 2 O Ring, Rotor Bolt, FKM, 2 O Ring, Rotor, FKM, 2 O Ring, Rotor Case, FKM, 1 O Ring, Front Cover, FKM RZL 220B 2E EK EPDM Single Mechanical Seal Pump Elastomers Repair Kit 2 O Ring,