The flashing arrow sign is used in conjunction with other signs and devices to give advance warning of a short-term road closure. The sign comprises of a matrix of yellow lamps which are switched to display a flashing arrow or an obstruction warning.
When used in conjunction with the GrindLazer family of products, Graco’s LazerVac Systems reduce airborne silica dust and help meet OSHA’s safety requirement for airborne silica dust. Available in electric model LazerVac 330*, as well as a high-pressure Honda Powered System in the LazerVac 550. * LazerVac 330 Model requires Adapter (P/N 17A242)