I have no experience with these, but I might have to part with a few bucks just to keep a few around for emergencies!
Sergeant's - Whiff Odor Eliminating Collar 2 Pack
Sergeant's Whiff Fragrance Collar features patented technology that helps eliminate odors - even skunk. Keeps working for one month
2 Pack - you will receive 2 collars
Fits all size dogs with up to a 28" neck (excess can be trimmed)
Pleasant fresh scent
Great for keeping pups fresh in between baths
Keeps working for 1 month