Hide Show DescriptionSeal Kit.Seal Type: StandardShaft Size: 1/2 inchCompatible Models: S25, S35, S45, S46, S55, S57, and moreIncludes: Seal ring, O-rings, gasketsReplaces: 816706-021, 816706-023816706-025KArmstrong Fluid TechnologyArmstrong PumpsArmstrong Customer Reviews Hide Show Write a Review