• Non-corrosive LEXAN® diaphragm. • Includes compressor, air tubing, fittings, and hardware. • Dimensions: 17” L x 7” W x 3-3/4” H. • Maximum amp draw: 12 Volt: 20 Amps, 24 Volt: 10 Amps. • dB(A) rating: 127 at one meter. • White epoxy powder-coated finish oversolid Brass