This OEM Toilet Bowl Rim Hanger with Non-para Block NSN6646610 effectively eliminates unpleasant odors while helping to sanitize the toilet. It is contained in a plastic holder that clips securely under the toilet bowl rim for easy installation. This product does not contain paradichlorobenzene or naphthalene and features a mildly scented deodorant. It complies with VOC Emissions for Consumer Products requirements of California Code, ensuring safety and environmental compliance.