1. Fitments This shower head angle adapter is designed with 1/2inch standard connections, NPT female and male, compatible with the most common shower arms in North America. 2. Functions The 90degree angle of this shower angle extension allows you to change the angle of the shower arm without restricting the flow or pressure. It can be easily rotated after installation. Suitable for various standard shower fixtures such as shower arm, shower head, shower floor, and hose. Widely used in homes, bathrooms, kitchens, RVs, and campers. 3. Material Made from heavy solid brass, this shower head extension ensures high performance with excellent heat resistance, durability, and pressure resistance. It is more robust compared to ordinary brass and plastic adapters. 4. Reliable and rust The twopart construction of this elbow adapter provides a reliable seal, reducing the risk of leaks and damage. It is also protected against rust and requires minimal maintenance. 5. Easy to use Operating this shower arm extension is simple. You can simply tighten the rotating collar by hand without requiring a wrench. 6. Product features: 7. Material: solid brass 8. Size: 1.27 cm NPT 9. NPT type: female and male