Introducing our 40mL TOC EPA Glass Vial Clear Bottle, specifically designed for water analysis instruments like Hach. We are a factory committed to providing high-quality products that meet our customers' needs. Our glass vial bottles come with a leak-proof cap that ensures the integrity of your sample during transportation and preservation. With a clear body, it is easy to visually evaluate the sample, and the durable construction ensures long-lasting use. Our EPA-compliant vials are perfect for organic or inorganic analysis with high accuracy and reliability. Buy in bulk to save money and benefit from our factory-direct prices. Trust us to give you the best quality products for your water analysis needs.