Iso9001 laboratory reagent bottle 500ml with blue screw cap for sale LABORATORY GLASS WARE - Laboratory Glassware Manufacturer (Amber).42) Reagent Bottle, Clear, extra wide mouth with Polypropylene Blue Screw cap and pouring ring, repeatedly autoclaveable, Graduated.43) Reagent Bottle, Amber Colour, extra wide mouth with Polypropylene Blue Screw cap and pouring ring, repeatedly autoclaveable, Graduated.