The LA Pump Regular 1.75in Cylinder is a hand-crafted vacuum seal cylinder designed for optimal performance. Measuring 1.75 inches in width and 9 inches in length, this cylinder features a diamond cut and flame polished finish for enhanced durability and ease of use. It utilizes a unique design that allows for a simple vacuum seal without the need for awkward rubber gaskets. Additionally, the cylinder is equipped with a quick-connect/disconnect safety valve that maintains vacuum pressure even after disconnecting from the pump. Please note that the hand pump and hose are sold separately. The cylinder is made from high-quality PC material and comes in a clear color, making it a practical choice for users seeking functionality and reliability.