Prescription Treatment Alpine Flea Insecticide with IGR-20 oz can 795903 Review March 6, 2018 No Comments Alpine Flea Insecticide with IGR (Ultracide replacement) is an advanced pressurized flea and tick aerosol that is designed to kill hatching flea eggs for up to seven months. Application takes only 15 minutes and has no odor or visible residue. Tags: Camping & Hiking, Outdoor Recreation, Personal Care, Sports & Outdoors