FlexTran Feline Ring Care | Control & Help with Cat Ringworm, Mange, Dermatitis, Dog Paw Yeast. Also Works on Dogs, Hamsters, Guinea Pigs, Rabbits, etc. Makes 32 oz of Spray for Cats and Itch Relief is up for auction in Pet Supplies. The current bid is $3.00, 89% below the $27.00 MSRP, in Good Condition. This auction has ended — similar items appear in live auctions regularly.