The 3" Polycarbonate Sight Glass from SEALFAST is designed for clear visibility in fluid systems. This durable sight glass is made from high-quality polycarbonate, ensuring excellent impact resistance and clarity. With a diameter of 3 inches, it fits standard piping systems and is ideal for monitoring liquid levels in various applications. The sight glass is compliant with industry standards, making it suitable for both commercial and industrial use. Its lightweight design allows for easy installation and maintenance, ensuring reliable performance in demanding environments.