Atlantic Water Gardens Pond & Waterfall Pump, Excels in Rigorous Conditions, 1450GPH Direct Drive pumps have heavy-duty impellers attached directly to the motor forcleanouts and in-pond applications Atlantic SH-Series Direct Drive pumps thrive in dirty water applications, with higher head pressures and solids capability Oil-free motors are safe for operation in water gardens with fish and plants Pumps handle solids up to 1" in diameter for the most demanding in-pond and dewatering applications Overload and thermal protection shuts down pump before overheating can cause damage Non-corroding, high impact composite housing and stable base geometry make SH-Series the perfect clean-out pump