Impeller - 15/21 - PolarisCaracteristicas: This unique impeller enhances all range maneuverability with no slippage in water hookup Variable pitch offers both low speed torque and all out high speed in one impeller Exclusive hub end water seal keeps the nasty stuff out of precious parts Constructed of ultra high strength, corrosion resistant stainless steel Mirror smooth finish and polished hub resists cavitation Impeller pitch is determined by casting, not bending Peso: 2. 62