INDCO, Inc offers variable speed electric dispersers for use with batches of up to five gallons. The variable speed electric motors come in 1-1/2, 2 or 3 horsepower and are either totally enclosed and fan cooled or explosion proof. The speed range is 1000 to 4100 rpm, and a digital tachometer is optional. Each disperser comes with a stainless steel Cowles type dispersion blade and a 15-in. stainless steel shaft. The blade can be raised and lowered 15 in. with the choice of air or hydraulic lift. The container holder has the capacity to hold up to a five-gallon pail. TEFC single-phase models (1-1/2 and 2 horsepower) come with a cord, plug and switch. Inverter drive models are available.