Simply fill, set and spray with the Chapin hose end sprayer!
Metering dial allows a selection of 16 different metering ratios; 1 teaspoon up to 10 tablespoons. Operates on water pressures ranging from from 45-60 psi. Back flow is prevented by a built-in anti-siphon device which allows unused chemicals to be returned to the originial container. Removing the deflector enables solid stream coverage of up to 30'. Made in the USA.