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SENTRY PurrScriptions Dual Action Flea & Tick Collar for Cats kills fleas for up to 6 months and kills ticks for up to 3 months.
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DIRECTIONS FOR USE: Read Entire label before each use and use only in accordance with label instructions. 1. Do not open until ready to use. Take the collar out of the packaging and stretch to full length. The tabs that held the collar in place will fall off when stretching; pull on any remaining tabs to remove them. 2. Bend the buckle in half between the holes in the buckle, so that you can easily pass the end of the collar through both holes.