Brass Foot Valve 3 4 inch NPT Heavy Duty Spring Mesh Check Valve Female Connection One Way Foot Valve Backflow Preventer with Holes Strainer Filter for Well Jet Pumps Foot Valv (3 4'' NPT) 3 4'' NPT industrial loop recording Color:5Pcs*100g +5*Brush loop recording The Sciencent Set of 6 Spring Balance Hanging Spring Scale Set has six tubular spring scales with different measurement ranges for determining weight We 100% inspected them before they left our factory Brass Foot Valve 3 4 inch NPT Heavy Duty Spring Check Valve Female Connection One Way Foot Valve Backflow Preventer for Well Jet Pumps Foot Valve Fetures: The 3 4'' NPT one way check valve is made of heavy duty premium solid brass material