Dupont advice cockroach gel bait can be used in single and multi-family residential buildings, schools, commercial and industrial facilities (including warehouses, apartments, supermarkets, restaurants, motels, hotels, hospitals, food handling/storage establishments), and transportation equipment such as aircraft, trains, ships, boats, buses Treatment rates for all uses: for heavy infestations of cockroaches, apply 3 to 5 spots of advice cockroach gel bait per 10 linear feet for light to moderate infestations of cockroaches, apply 1-3 spots of advice cockroach gel bait per 10 linear feet each spot of advice gel bait Should equal about. 5 grams (approx. 1/4" Diameter) Country Of Origin: United States Model Number: 383920