Based on this product's specifications, here are some alternatives and similar models
ARCO Male Coupling 20 x 2.00 - 1/2" M
Summary description:
The ARCO male coupling is a high-quality plumbing fitting designed for secure pipe connections. Featuring a 20 x 2.00 mm pipe interface and a 1/2" male thread, this component ensures reliable performance in water supply and heating systems. Engineered for durability and precise fit, it is an essential part for professional plumbing installations and maintenance projects requiring robust, leak-proof connections.