Vats Filtration Technologies Pvt. Ltd. Offers Single and Multiple Bag Filter System. Vats Filtration Technologies Pvt. Ltd. Is an ISO 9001:2008 certified company. Single and Multiple Bag Filter System is designed for optimum filtration performance. The range provides filtration solution for a broad variety of fluid applications in the process industry. They are particularly useful for filtering large volumes of high viscosity liquids. Single and Multiple Bag Filter System is constructed for filter housing, filter bags, internal cage to support bags, positive sealing arrangement, and choice of end connections. The internal support ensures bags will not burst as high differential pressures build up during operation.