Lead Free Solder with Easy Pen Dispenser, Cheap solder ruins irons, destroys projects and makes smoke billow from our ears, affordable, flows and melts beautifully, best dispenser, saves a lot of solder, No longer break off sections of solder
Kit Safe Water Single, Contains: Student instructions, Simulated samples of well water, tap water, and bottled water, Nitrate Test Solution, Arsenic Test Solution, Coliform Bacteria Test solution, Labeled droppers, Well Water Testing sheet, Bottled Water Testing sheet
Can Replacement collapsible, F-Style, with 1 3/4 in Delta opening with cap. Used for Charles Law or pressure principals within the class room, Measure: 9 3/8in x 6 5/8in x 4 1/8in, for industrial use, Lightweight and durable, for storage of liquids, Capacity: 1 gal