The vibco BVS-60 silent Pneumatic turbine Vibrator features 20 lbs. Of Vibratory force, 12,000 VPM, and employs vibco's patented silent turbine Vibrator design. It has a threaded exhaust port to be used with Muffler (sold separately). exhausted air can be piped away up to 10 feet. The BVS-60 has a 2-bolt with a 3” center-to-center mounting holes. The aluminum housing is clean, durable, and corrosion resistant. Use this product to replace loud ball and piston-style vibrators that require lubricated air. Rated for continuous duty up to 60 psi max, the vibco BVS-60 is pre-lubricated for life, requires 60 psi of clean, dry air and consumes just 4 cfm, operating at 66Db on a-scale at 1 meter.; &use a filter regulator for optimum life and performance (sold separately). ;.