Binks 68PB Air Cap with retaining ring, also known as an air nozzle, heavy and very heavy fluids such as oil and latex wall paints, block sealers, mill whites, vinyls, acrylics, epoxies, gel coats, and block fillers, textured coatings, fire retardants, road marking paint, bitumastics, cellular plastisols, underbody and roof coatings. This size also works for ceramic glazes and procelain enamel.