The G939TP with Filter; G939B, G939BUL, G939G, G939GUL is an electronic component manufactured by Gainta. It is a multi-functional electrical filter with an off-on switch and is made of durable polypropylene. The G939TP has four filters to choose from depending on the application, namely G939B, G939BUL, G939G, and G939GUL. These filters are capable of providing a wide range of filtering for applications such as electrical suppression, signal routing, and surge protection. The component also comes in a red color to further enhance its appearance.