Sentry HC Petromalt Malt Flavored Cat Hairball Treatment, 4.4-Ounce Go to amazon.com Related posts Top 2 best hairball medicine Where to find hairball remedy? FeatureEliminates and prevents hairballsFor cats and kittens over 4 weeksPetro malt Technology DescriptionSentry HC Petromalt Malt Flavored Hairball, 4-ounce