Features 

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 Spray Trainers Easy-to-Replace – The refill cartridges are easy to replace; simply remove the empty cartridge and replace with the new refill cartridge 100% Recyclable – The disposable PetSafe® Spray Refill cartridges are 100% recyclable System Includes 3 Unscented Spray Refills