Portable Type Shelter Agitator is directly coupled to fractional horse power motor of speed 1440 rpm and is designed for small tanks. The Agitator has two additional sealed ball bearings lubricated for life that provide sturdy support to the shaft. The Agitator has flexible coupling that isolates the drive shaft from the bending moment of agitator shaft. The Portable Type Shelter Agitator has components which are housed inside a corrosion proof cast iron housing and the agitators can be clamped to tank or mounted on a stand post.