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check valve and 3/8" weighted tubing
3-year Manufacturer's warranty
Routine Application Rate
and top grate
Waterbell 16' EP850 60 850gph 12' 3/4" EP1050 70 1050gph 13
Evolution Aqua Airtech Air Pump Diaphragm Kits and Parts pond lighting check valve and 3/8" weightedDiaphragm kits return the Evolution Aqua Airtech pumps to the peak of performance! Linear diaphragm air pumps typically need to be replaced every 12 18 months. If you are frequently replacing diaphragm kits, your pump is likely experiencing excessive back pressure (i. e. it is pumping more air than the air stone can put out). Unlike water pumps, where an oversized pump is unlikely to cause a problem, oversizing air pumps is a frequent cause of
