Skidoo Institutional Flying Insect Killer II effectively kills most types of flying insects such as wasps, house flies, mosquitos, gnats and more. Use in food and non-food areas. This spray is NSF listed as a pesticide for use in foodservice and food-processing establishments. Skidoo products are specially formulated for institutional, commercial and industrial insect control.Skidoo Institutional Flying Insect Killer II effectively kills most types of flying insects such as wasps, house flies, mosquitos, gnats and more. Use in food and non-food areas. This spray is NSF listed as a pesticide for use in foodservice and food-processing establishments. Skidoo products are specially formulated for institutional, commercial and industrial insect control.