laboratory 1000ml GL45 square bottles pyrex-HPLC Sample Vials Capacity, 1000 mL ; Bottle Style, Media storage ; Neck Style, Wide Mouth ; Top Style, Threaded ; Cap Style, Plug seal. Gl45 Blue Plastic Screw Cap Lab Glassware 500ml Reagent Bottle Constructed from glass, borosilicate glass or soda-lime glass, reagent bottles feature stoppers or caps, which protect the contents from spilling or outside