Sharplex Filters [India] Pvt. Ltd. Supplies Rotary Brush Strainer. Sharplex Filters [India] Pvt. Ltd. Is a BS EN ISO 9001:2000 certified company. The Rotary Brush Strainer is an on line filter, which can be controlled fully automatic. This is applicable for different industries such as in chemical, edible, Pharma industries, resin, lacquers, toothpaste filtration, printing ink filtration, palm oil industries for crude oil filtration and miscella filtration.