DWK Wheaton 20 ml clear glass vials, flat beaded rim, 22 x 75 mm, 100 pc/PAK

Please note that this product is "made to order". Therefore an order cannot be canceled or returned even if delivery times are longer! Precision made crimp top headspace vials offered with matching closures ensures reliable and robust performance. Where indicated, Certified Class 10,000 clean room packed enhances data integrity.