Best prices on Flea collar in Cat Supplies online. Visit BizRate to find the best deals on Cat Supplies from Zodiac Pet, Farnam and Hartz. See which Pet Supply stores have the Cat Supplies that you want. Read reviews on Pet Supplies merchants and buy with confidence. Find deals on Bio-Spot Flea and Tick Collar for Cats and Kittens - ULTRAGUARD PLUS FLEA & TICK COLLAR FOR CATS.