Category: West 13mm Smooth Vial Caps Black Bag 1000 Amazon

West 13mm Smooth Vial Caps Black Bag 1000 Buy Online. These black flip cap seals, manufactured by West Pharma, are specifically designed for 13mm serum vials. Compliant with the latest USP Chapter 1 regulations enforced since December 2013, they feature a smooth, glossy finish and West’s signature “Tru-Edge” design. Each bag contains 1000 caps, lacking any words on the top. These caps are suitable for serum vials with a 7mm hole opening and 13mm outer rim diameter (7×13). Please note that serum vials, vial stoppers, and vial crimpers are available for separate purchase on our website.