Superflo Filters Pvt Ltd manufactures Cast Steel Made Tee - Type Strainer. Superflo Filters Pvt Ltd is an ISO 9001:2000 recognised company. Superflo Filters Pvt Ltd offers various types of industrial filters and strainers, automatic filters strainers, basket filters strainers etc. Cast Steel Made Tee - Type Strainer is installed where the piping cannot be opened to permit removal of the screen. Cast Steel Made Tee - Type Strainer is ideal for vertical piping and come as either flanged or butt welded.