This is the most commonly used solution for

The zinc anode for the Vetus bow thruster series KGF 25 is specifically designed to protect your boat propeller against corrosion

Hose barb: 19 mm

Voltage: 10- 35 V

Package dimensions: Dimensions: 4 cm × 8 cm × 15 cm | Gross weight: 0

Trudesign, Antihævert 25mm hvid BL124599 This is the most commonlyTrudesign anti siphon 25mm is a valve that prevents siphoning in hoses. It is installed at the highest point and allows air to enter so water cannot get into the boat. Brand: Trudesign Weight: 0. 25 kg Color: White Hose connection: 25 mm Made in: New Zealand Package dimensions: Dimensions: 4 cm 18 cm 12 cm Gross weight: 0. 25 kg To prevent siphoning in the hoses, an anti siphon valve must be installed on both the inlet and outlet hoses. The valve is