CentroBulb Duster is designed to provide even dispersion of dust or the smaller granules of insect baits, such as, Maxforce Insect Granules and Niban, or similar sized particles. This duster is used to place granules or dust inside of cracks and crevices where they will do the maximum amount of good. This duster will hold about 14oz of dust, has a curved brass, crack an crevice tip, with a 12" brass extension tube included. This duster is primarily for fine granules and coarse dusts.