Entirely Pets Coupon Codes 2021: Discount pet meds and pet supplies online. Cheapest Online Pet supply prices on heartworm and flea control medications. Pet medicines like Frontline Plus, Frontline Top Spot, Heartgard Plus, K9 Advantix, FURminator, plus more. Fast shipping on all cat, dog, and other pets supplies. Visit us online or call 1-800-889-8967.