1.Stopfen is a stopper plug designed to seal openings quickly and reliably. It blocks holes, closes ports, and prevents contamination in mechanical and household equipment. - Function: Provides a tight seal to prevent leaks, dust, and moisture. Reusable and easy to insert and remove. - Compatibility: Fits a range of standard hole diameters. Available in multiple sizes to suit different equipment. - Size: Multiple size options. Select the correct size for your application using the model options. - Material: Made from durable materials; exact material varies by model. Options include rubber, plastic, or metal variants to suit environment and use. - Performance: Delivers a dependable seal with good wear resistance and compatibility with typical operating conditions. Applications - Sealing unused ports on enclosures or machinery during maintenance. - Temporarily plugging hoses or openings during cleaning, painting, or storage. - Blocking test ports during leak or pressure testing.