Mueller 164-637 PVC Schedule 80 Solvent UnionsMueller 164-637 PVC Schedule 80 Solvent Unions Features:Heavy-duty white Schedule 80 PVC constructionEPDM O-ring sealCan be used with both Schedule 40 or 80 pipeSolvent ends comply with ASTM D2466Rated at 150 PSI at 73º FNSF approvedSlip x Slip164-633: 1/2"164-634: 3/4"164-635: 1"* Image shown may vary by color, finish, or material