We're very pleased to provide Whatman Laboratory vials for your application. As a professional you understand that the level of quality of any lab equipment helps to determine how long you spend on a project as well as the quality of your information. Finding the most appropriate model of Whatman Laboratory vials can sometimes be a challenging job; though with the expertise of our product consultants at LabPlanet you can be certain you've selected the most suitable equipment for your specific application. Our product professionals possess over fifteen years combined experience with laboratory products and solutions and are here from 7am to 5pm CST to aid you to. Are you not actually in the States? Working very late and have an important question? Then send us an email at sales@labplanet.com and we'll promptly respond with assistance. Perhaps you're planning a purchase and want pricing plus availability; then you should call or alternatively email us and we will send a quotation that includes lead times for shipping and delivering to your specific location.