... .CCS ,BV ,ABS,NK,RINA Tunnel Thruster :Tunnel Thrusters are Fixed Pitch Propeller or controllable pitch propeller thrusters. The features as ... ~1270165FPP,CPPMTT22522501200~1550235FPP,CPPMTT25025001450~2100326FPP,CPPMTT27527502060~2480378FPP,CPPMTT30030002300~2930462FPP,CPP Fixed Pitch Tunnel Thruster, ship Thruster