Media Streamline P-100 P200s Sp-Pad 75x24x2 Purolator Media Streamline P-100 P200S Sp-Pad 75X24X2 StreamLine Polyester Medias. Select from three choices of medias - 1/2", 1", 2" thicknesses. Made from multi-denier, recycled polyester fibers. Tackifier increases particle retention. 85 - 95% arrestance .