Rocky Mountain Goods Hose Sprayer Attachment with Bottle makes for easy mixing and application of liquid chemicals whether for yard use or cleaning. No messy mixing required, simply pour liquid into measurement bottle and begin spraying. The back of the bottle has measurements and recommended dial reference for dilution percentage. The heavy duty liquid fertilizer hose sprayer attachment is made with brass fittings. For cleaning. With 10 dials, you can quickly select your liquid concentrate mix. Rocky Mountain Goods Hose Sprayer Attachment with Bottle comes with a lifetime warranty.