White Polytex offers Dye Tubes and Dye Cones for water conditioning and steam settings. The Dye Tubes are compressible & non-compressible types. The Dye Cones & modified polymers have single and multiple uses. The product withstands up to 130 degree Centigrade. These Dye Tubes and Dye Cones are perforated and are available in all standard sizes.