PetSafe Spray Refills Style:Unscented Refill Cartridges This concentrated formula helps neutralize

This concentrated formula helps neutralize odors at the source rather than covering them up

Made out of rust resistant aluminum

and enter your cat’s microchip ID to verify that your microchip is compatible

Made of durable plastic

Marine or high pH Freshwater

PetSafe Spray Refills Style:Unscented Refill Cartridges This concentrated formula helps neutralize*Make sure you are ordering the proper refill for your Spray Control system. The PetSafe Spray Refill cartridges are easy to replace with no mess. Simply remove the empty cartridge and replace with the new one Compatible Collars The PetSafe Spray Refill Unscented is for use with the PetSafe Spray Bark and Training collars; it is NOT compatible with the PetSafe GentleSpray, Elite Big Dog and Little Dog Spray Bark Collars or Elite Big Dog and Little Dog