The WATTS FLUIDAIR PNG-121-SI is a thin vacuum silicone cup, engineered for optimal performance in vacuum applications. This silicone cup is designed to create a strong seal, ensuring efficient vacuum retention. Its lightweight and flexible design allows for easy handling and installation. The PNG-121-SI is compatible with various vacuum systems and meets industry standards for quality and safety. Ideal for use in laboratories and manufacturing settings, this cup provides reliable performance and durability, making it a preferred choice for professionals in need of high-quality vacuum solutions.