瓶子和小容积内嵌的创新设计使得内嵌准确地处在瓶子中央，由无色透明和棕色I型硼硅玻璃制造

Wheaton Screw Top E-Z Vials with Step, feature a large opening with a long neck for greater sample accessibility with reduced needle damage. Vial capacity has been increased to 1.8 mL. The innovative design of the vial and limited volume insert enables the insert to be precisely centered inside the neck of the vial. The Screw Top E-Z Vials with Step are designed to use 10-425 screw caps. Vials are manufactured from Type I borosilicate glass and are packaged in shrink-wrapped trays of 100 for convenience and cleanliness. Screw caps and septa available separately.

• Manufactured from clear and amber Type I borosilicate glass
• Limited volume inserts
• Pre-assembled black polypropylene screw cap with septa
• Purchase vials and caps separately