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40% glass-filled thermoplastic with the Cam & Ramp "see thru" lid design. Self-priming, high flow with patented Funnel-Flo diffusers. 2" suction and discharge ports. Motor features threaded shaft and durable commercial duty 56 frame motor with NEMA square flange. Lower hp's deliver higher performance than industry standard. Heavy-duty/durable construction. The WhisperFlo Pump is designed for long life. Designed for residential and commercial applications.
Pentair Whisperflo Stndrd Full Rate 1.5 HP Pump (11581)