PROPSPEED FOULFREE

Propspeed partnered with transducer-maker

Airmar Technologies to create Foulfree, a coating designed to combat marine growth on electronics transducers. Foulfree forms a super-slippery surface over the transducer that lasts a minimum of 12 months. It comes in a 15-milliliter tube with an applicator brush, abrasive pad and clean wipe. $39.99; propspeed.com