Comes With An Attachment That Fits Most Cansthis Is A Simple Yet Effective Solution To Applying Nematodes, Weed Killers, Liquid Feeds & Other Soluble Liquid Products. A Time Saving & Money Saving Device, Less Costly Then A Sprayer, It Will Deliver A Steady Curtain Of Liquid From A Bar That Will Fit Most Watering Cans. The Sprinkler Bar Width Can Be Adjusted From 4in-20in/10cm-50cm For Targeted Application. Use Different Coloured Bars To Signify The Type Of Liquid Used.