Jar Test Apparatus allows efficient and economical flocculation matter and collides in general and also has been specially designed for use in water treatments to correctly estimate the dosing of alum and such other coagulants for treatment of Water sewage and floc formation test in Water Treatment plants. Fitted with D.C. motor but to work on 220 V AC. Variable speed from 20 to 100 RPM approx. Alongwith illumination Capacity of flasks 1 Ltr 2 Ltrs