10x more fragrance than vinyl urinal screens. Eliminates odors: Releases optimized bacteria that clean the urinal and eliminate odors. Translucent design allows full view of urinal drain to ensure optimal drain flow. Shrinks in size as it releases beneficial bacteria, odor counteractants and fragrance. Conforms to the urinal to trap debris. VOC Compliant: Available for sale in all 50 states. No ozone depleting ingredients.