We are offering High Volume Sampler, SLE-HVS123Introduction Suspended Particles upto 100 microns have emerged as the most critical among all the criteria air pollutants & is caused by number of sources like:-1 Large, medium & small-scale industries2Road dust construction activities, house hold fuel cooking, waste burning, vehicular emissions etc. In order to control the pollution, it is necessary to periodically monitor the air to determine the extent of pollution and to identify the source of emission SLEHUS123 is designed to meet these needs. This model confirm to guidelines of Central Pollution Control Board.