Useful for liquid filtration for microbiology, suspended solid test, stack or ambient gas sampling etc. Piston powered, oil free vacuum pump having compact size and lightweight, aluminium die-cast construction. Comes with a moisture trap/vacuum regulator. Rated for continuous use. Specially designed to keep vibration and noise level to minimum. Supplied with a vacuum gauge attached to indicate the vacuum level at any instant. This rugged, durable compact and portable vacuum pump is available in two models with following specifications.