All Tsurumi water feature pumps are constructed of the highest quality materials and components for years of continuous use in ponds, waterfalls, fountains, and more. The 4PN features a 304 Stainless Steel housing, oil-free motor, fiberglass reinforced plastic impeller, volute, and top cover. It will pass a 0.4” solid and the semi-vortex design is ideal for string algae and organic matter. The pump has a fiberglass reinforced plastic semi-vortex impeller for capability and durability as well as dual inside mechanical seals with silicone carbide faces to provide the longest life. An oil lifter provides lubrication of the seal faces (Patented).
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