The new Vetus 6 bladed bow thruster propeller is an ideal upgrade for older 3 blade VETUS propellers, which creates little or no cavitation. This new blade design offers a major reduction in the operating sound levels for VETUS bow thrusters. Moreover, the application of this new propeller has reduced the current consumption by up to 10%. Authorized Dealer. Questions? 866-790-7767, or email info@getaprop.com