RZL-220B-2V-KIT Dixon Valve FKM Single Mechanical Seal Repair Kit for JRZL-200 Series Rotary Lobe PumpsPart Number Description Includes: RZL 220B 4V KIT FKM Double Mechanical Seal Repair Kit 2 O Ring, Rotor bolt, FKM, 2 O Ring, Rotor, FKM, 2 O Ring, Rotor Case, FKM, 2 O Ring, case, Double Seal FKM, 2 O Ring, Shaft, Double Seal FKM, 1 O Ring, Front Cover, FKM RZL 220B 4E KIT EPDM Double Mechanical Seal Repair Kit 2 O Ring, Rotor EPDM, 4 Seal Ring, 2 O Ring, Rotor Case EPDM, 2 O Ring, case, Double Seal EPDM, 2 O Ring, Shaft, Double Seal EPDM RZL 220B 3V