Duff ASA100 Aluminium Shaft Anode - 25 mm (1 in) | 4Boats 4Boats & complete expedition packs including

& complete expedition packs including 4 Season Sleeping Systems

Energy: CORE rechargeable battery (1250 mAh) or 3 AAA/LR03 batteries (not included)

Bi-directional isolated serial port (can be used for additional NMEA 0183 input/ output)

Simple and easy to use

316 stainless steel for extended corrosion resistance in saltwater

Duff ASA100 Aluminium Shaft Anode - 25 mm (1 in) | 4Boats 4Boats & complete expedition packs includingThe Duff ASA100 aluminium shaft anode provides sacrificial protection for inboard propeller shafts. Its golf ball shaped design offers reliable cathodic performance for small to medium boats and is easy to fit and replace. Aluminium sacrificial anode for propeller shafts Golf ball shaped design for effective cathodic protection Outer diameter: 55 mm (2. 16 in) Shaft diameter: 25 mm (1 in) Easy to fit and replace; fits 25 mm (1 in) shafts Inspect at