Pro-Con Yellow is an odor neutralizer. Fresh scent. This multi-purpose odor neutralizer and deodorant is dispensed ready to use from your Pro-Con dispenser. It eliminates odors and provides long lasting odor control. It is excellent as a space spray or can be applied directly to problem areas such as carpets, wastebaskets, tile in bathrooms, etc. Freshens as you clean when added to mop water. Pro-Con products use a Closed Loop System and requires a Handi-Lock Connector. Intercon Brand Only