This diffuser is designed to use with Pentair Sta-Rite 1-1/2-horsepower Dyna-Glas/Dyna-Max series inground pool and spa pump models MPFA6D, MPFA6E, MPFA6F and also compatible with Pentair Sta-Rite 1-horsepower Dyna-Pro/Dyna-Pro E inground pool and spa pump. Measures 6-3/4-inch length by 6-3/4-inch width by 2-inch height., Diffuser replacement Pentair C1-271P Diffuser for Sta-Rite Inground Pool or Spa Pump... lt;br>Diffuser substitute<br>Meets Pentair Sta-Ceremony 1-1And2-power Dyna-GlasOrDyna-Maximum string inground swimming and day spa push models MPFA6D, MPFA6E, MPFA6F<br>Also suits Pentair Sta-Rite 1-horsepower Dyna-ExpertPerDyna-Pro Elizabeth inground pool area and club pump<br>Procedures 6-3/4-inch size by 6-3And4-inch breadth by 2-inches top Pompe Piscine Hors Terre Pentair C1-270PB Diffuser Replacement Sta-Rite Inground Pool And Spa Pump Above Ground Pool Pump lt;brDiffuser substitution<brMeets Pentair Sta-Rite Dyna-Glas/Dyna-Maximum collection inground swimming pool and club water pump designs MPFA6D, MPFA6E, MPFA6F<brAlso meets Pentair Sta-Rite 1Or2-hp Dyna-Professional/Dyna-Expert E inground pool area and spa water pump<brProcedures 6-3Per4-inch period by 6-3/4-" size by 2-1Or4-in .elevation Moteur Piscine Hors Terre Pentair Sta-Rite Pool And Spa Inground Pump Tank Body Replacement C176-47P1 Pompe Piscine Creusée Fits Pentair Sta-Rite 1-1/2-horsepower Dyna-Glas/Dyna-Max series inground pool and spa pump models MPFA6D, MPFA6E, MPFA6F