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The Luft Pump delivers 7.0 p.s.i. against water pressure, making it an
excellent choice for large or multiple tanks. Its heavy rubber diaphragm
cannot be damaged by back pressure; this means if an airstone has not been
maintained, the diaphragm won't be damaged. The adjustable rheostat
increases air flow by regulating electricity, not by blocking air flow,
allowing more efficient, economical performance. Can be used with multiple
valves or T-connectors for multiple devices. Quiet operation! Includes
check value.
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