Features: Made of glass-filled polyporpylene, EPDM andstainless steel. Suitable for pumping bilge water, saltwater transfer. Easy to remove clamp ring for maintenance. Designed for confirm spaces where you have limited space to fit your pump. Hand pump compact design easily installed in tight bilge spaces where other pumps simply cannot fit. Specifications: Item Name: Manual Pump Material: Glass-filled Polyporpylene, EPDM,Stainless Steel Color: Black,Red Hose Diameter: About 33mm Hose Connections: 01: About 34.5mm 02: About 38.1mm Model: 01,02 Type: Self-priming Package Included: 1 PC x Manual Pump Note: 1. Due to the light and screen difference, the item's color may be slightly different from the pictures. 2. Please allow 0.5-2 cm differences due to manual measurement.