Lawson offers the best inkjet transparency film for all types of screen printing needs. These screen printing inkjet water-resistant or non water resistant silk screen film positives come in sheets or rolls. This transparency paper for inkjet printers works best with dye based inks.
If you are looking for laser film - look here.
If you are looking for vellum - look here.
RIP software is not needed for this type of film positive inkjet transparency film.