4-months K9 Advantix II Monthly Flea & Tick Prevention (21-55 lbs Dogs) $31 at Chewy $31 $57 Chewy has the 4-months K9 Advantix II Monthly Flea & Tick Prevention (21-55 lbs Dogs) for $32 - 5% off with Autoship & Save = $31 with free shipping on $35+. Walmart has it for $32 with free shipping with Walmart+ (30-day trial) or on $35+. No prescription needed. $31 retail: $57 Report Posted by VanGogh03/15/2024 at 11:28 AM PT