Prem brothers provides power master dust collectors. These dust collectors are specially designed for collection of dry ferrous dust generated from grinding process, such as surface grinders, profile grinders, off hand grinders and belt grinders. Some of the salient features of dust collectors includes: low noise, ie, below allowable noise level. They have high filtering efficiency even for finest dusts. Total security with cotton filtering sleeves is provided which is non-inflammable. Energy savings include low power consumption. Standard accessory includes suction inlet mounted on adjustable arm. The dust collectors range available are 0.5, 1.0 and 2.0 hp.