PYREX 4mL Parr Weighing Bottle with External 24-12 Standard Taper Joint

The PYREX 1684-2024 4mL Parr Weighing Bottle is specialized laboratory glassware designed for accurately weighing and handling very small sample quantities. Unlike the preceding 1680 and 1682 weighing bottles, this 1684 Parr configuration uses an external 24/12 Standard Taper joint. Its closure-style glass cap fits over the externally ground bottle body, providing a compact covered vessel for analytical sample handling. The bottle is manufactured from PYREX borosilicate glass Code 7740 and is reusable and non-sterile. Key Features Genuine Corning PYREX® Catalog number 1684-2024 4mL capacity Parr-style laboratory weighing bottle External 24/12 Standard Taper joint Closure fits over the externally ground body Hollow glass closure Borosilicate glass Code 7740 Designed specifically for weighing small samples Cylindrical configuration Reusable Non-sterile Approximately 12g 6/Pack 12/Case Specification Details Brand PYREX® Manufacturer Corning Catalog Number / MPN 1684-2024 Series 1684 Product Type Parr Weighing Bottle Capacity 4mL Material Borosilicate Glass Code 7740 Bottle Shape Cylindrical Joint External 24/12 Standard Taper Stopper Hollow Glass Closure Configuration Cap Fits Over Externally Ground Body Approx. Weight 12g Reusable Yes Sterile No Quantity/Pack 6 Quantity/Case 12