WhisperFlo Trap Lid Replacement Pentair 357151Z | Clear Cover Pump Lid After November 1998Keep your WhisperFlo or Purex WhisperFlo pool pump operating with the Trap Lid Replacement (Post 11 98 Models). Shasta Pool Supply offers hard to find Pentair replacement parts. Specifically, this high quality replacement lid ensures a tight, leak free seal for your pumps strainer housing. Genuine Pentair Replacement Part Engineered for WhisperFlo pumps made after November 1998. Crystal Clear Design Easy to see when the basket needs cleaning without