Rattan Sales Corporation manufactures and supplies Streamlined designed Colony Counter. Rattan Sales Corporation is established and promoted under the brand Spencers and is an ISO 9001:2000 certified company. Streamlined designed Colony Counter is designed for accurate counting of bacterial colonies against a dark background. The illumination is brighter and uniform. The principal increases the contrast between the colonies and the culture medium. It improves the visibility so that very small colonies can be seen. As a result, the observer works efficiently and obtains accurate data quickly. The streamlined design of the product ensures fast and accurate count. Circular tube and powerful magnifying lens in the streamlined designed Colony Counter reduces operator fatigue. It has LED display and possesses specially designed pen for marking and counting simultaneously in the colony counter. Rattan Sales Corporation offers two digit Colony Counter, Three digit Colony Counter and Five digit Colony Counter.