A weedkiller spray gun with a systemic action that kills weeds to the root and prevents regrowth for up to three months. Perfect for hard surfaces including paths, drives, and patios. Also ideal along fences and walls and around established trees and shrubs.This is a potent formula which contains glyphosate and diflufenican; please follow the instructions carefully and apply no more than one treatment a year.1 litre bottle.CAUTION: Please read all instructions carefully before handling, storing or opening, and take care when lifting heavy objects.