High Quality nylon self priming hand pump with Fixed Plastic Handle. 25.4mm or 38.1mm hose. Draws 15 gallons per minute Application: Suitable for pumping bilge water, saltwater or diesel transfer. Hand pumps compact design easily installed in tight bilge spaces.Features: 1. Diaphragm hand pump with Fixed Plastic handle2. Self-priming3. Capacity: 720GPH (2724LPH)4. Hose Dia.: Inlet OD. 1"(25.4mm)/ 1-1/2” (38.1mm) outlet OD. 1” (25.4mm) / 1- 1/2"x38.1mm)5. Max suction lift: 3m (10ft)6. Max discharge head: 4m (3.5ft)7. Easy to remove clamp ring for maintenance/head rotation