Yes. You will only want to fill the bulb duster about 1/3 of the way with Diatomaceous Earth to allow air to get into the bulb.
I have never been asked this before and I was not sure. This bulb duster was intended to apply dust and small granules. However, I went into our warehouse and filled one with water and it dispensed in a perfect stream with no problems, so I would say it is perfectly fine to apply liquid …
Read Full Answer »Yes, you can use Boric Acid in the 4 oz bulb duster.
The duster is about 5 inches long and about 3 inches wide and weighs about .12 lb
Yes, the 4 oz. Bulb Duster will work with Timbor. This product can be applied as a dust in the wall voids.
The Bulb Duster is designed to disperse insecticide dusts.  Baking soda is a heavier substance than most insecticidal dusts typically would be so we cannot say for sure that it would work. Â