The Vasthi Instruments Retrofit Emission Control Device (RECD) for diesel generator sets ranging from 125KVA to 2000KVA removes over 90% of particulate matter and other impurities from diesel generator emissions. retrofitted emission control device, retrofit emission control device (recd), retrofit emission control device for dg set price, recd for dg set working principle, retro fit... https://vasthi.com/product/39/retrofit-for-dg-set