Vetality Avantect II Large Dog, 4 month supply Catalog Dogs Vetality Avantect II Large Dog, 4 month supply Description Repels & Kills Fleas, Flea Eggs Ticks & Mosquitoes • Repels Biting Flies • Kills Lice • Waterproof • For use only on dogs 7 weeks and older and weighing more than 55 lbs. Rates Please contact us for current pricing and availability.