2025-03-212025-03-212024-01-16https://hdl.handle.net/10919/124961A backpack sprayer being filled with a hose indoors. The position of the hose above the tank provides an air gap, which prevents back-siphoning.Dimensions: 7360 × 4912Size: 17.3 MBimage/jpegenIn Copyright (InC)This Item is protected by copyright and/or related rights. Some uses of this Item may be deemed fair and permitted by law even without permission from the rights holder(s). For other uses you need to obtain permission from the rights holder(s).Pesticides in Our EnvironmentImageVirginia Tech