Versatile Application: Ideal for use with a variety of substances including solvents, penetrating oils, degreasers, and cleaners. Note: It is not suitable for acid-based solutions and should not be used with water or water-based materials. Metal Construction: Crafted from high-quality metals, this filling cap offers extended durability. Regular monthly checks by removing and reinstalling the cap are recommended to prevent leaks and maintain integrity. Ergonomic T-bar Design: The T-bar handle facilitates effortless manual tightening and removal, eliminating the need for tools. This user-friendly feature enhances both convenience and efficiency in daily operations. Compatibility Assurance: Specifically designed to fit Vaper 19487, this filling cap ensures a perfect match for seamless use and optimal performance, eliminating concerns about fit and function. Comprehensive Package: Each package includes two filler valve assemblies complete with black filler caps, two filler cap assemblies with pins (thread size 5/8"-18" UNF), and two filler cap gaskets, providing everything needed for immediate use., Manufacturer: CTRLZS