071136Z Pentair Replacement Purex SMBW 2000 Filter & WhisperFlo Pump Clamp Knob

071136Z Pentair Replacement Knob made by Val-Pak V38-118 used for Purex Older SMBW 2000 DE Filters & Older Pentair WhisperFlo Pump Clamp

Clamp Knob is used on filters and pumps manufactured before 1998.The following is the picture of the original Pentair knob. The replacement made by Val-Pak has the same threads and works the same.