OSEFIN 7.5% Dust is a broad-spectrum, ready-to-use domestic public health insecticide powder manufactured by Osho Chemical Industries Ltd. It is formulated primarily to control household crawling pests such as cockroaches, ants, and fleas.The active chemical ingredient in this product is Carbaryl at a concentration of 75g/kg (7.5%), a carbamate compound that disrupts an insect's nervous system via acetylcholinesterase inhibition.? Directions for ApplicationThis powder provides long-lasting residual protection for up to 2 to 3 months as long as it remains dry and undisturbed.Cockroaches: Lightly dust the powder directly into typical harborages, including floorboards, deep cracks, crevices, and dark voids behind cookers, cupboards, and shelves.Ants: Apply a continuous dust barrier around the perimeter of the flea