These are not linear "diaphragm," but true linear "piston" type pumps. Since the only moving part - the piston - floats on a bed of air, an exceptionally long service life can be expected (8 years of continuous life is not uncommon). You get quiet, energy-efficient operation and clean, oil-free air.
An outdoor-rated housing, grounded power cord, 1/2" MNPT flex outlet and 115V/60 Hz are all standard. UL-listed.
3-year warranty.
SL-88 Specifications:
* 100" max depth
* Dimensions: 15" x 8" x 9"
* Power Consumption: 130 running watts
* Output: 5.7 cfm of output at 2 psi.
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