Aerosol insecticide refill kills and repels flies, mosquitoes, gnats and small flying moths. Ultra concentrated to work faster and last longer. Features active ingredient pyrethrin, a natural extract from chrysanthemum flowers. Leaves no lingering insecticide odor. Long-lasting refill provides thirty days of continuous service, spraying at 15 minute intervals. No CFCs. Physical Form: Liquid; Application: Metered Aerosol Dispensers; Indoor; Pest Type: Flies; Gnats; Mosquitoes; Small Moths; Capacity (Volume): 7.3 oz.