DWK Wheaton E-Z aluminum cap, 11 mm, blue, with septum 0.002 PTFE/0.038 rubber red, 1000 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! For use with 12 x 32mm crimp top vials Open top seal provides for filling or retrieving contents with a syringe, large target diameter Seals available in 4 colors Choice of liner