Sandpiper PB1/4 TT3PPE4 Air Operated Double Diaphragm Pump 1/4NPT. The item “Sandpiper PB1/4 TT3PPE4 Air Operated Double Diaphragm Pump 1/4N New No Box” is in sale since Thursday, June 24, 2021. This item is in the category “Business & Industrial\Hydraulics, Pneumatics, Pumps & Plumbing\Pumps & Pump Accessories\Vacuum Pumps\Diaphragm Pumps”. The seller is “idealsurplus” and is located in Detroit, Michigan. This item can be shipped worldwide.