1.This PPR female adaptor is ideal for connecting multiple piping systems. It easily fits with pipes of 25mm X 1/2" diameter. With smooth surfaces, it resists rust and corrosion, ensuring a long-term service and increased durability. 2.PPR female adaptor is constructed with lightweight, non-toxic, anti-aging, and eco-friendly materials. It works according to the maximum pressure pipes, up to 1.2MPa, so you can enjoy a safe and reliable connection. 3.The PPR female adaptor is highly resistant to high temperatures, suitable for hot or cold water circulation systems. It also prevents the growth of bacteria and fungi, and reduces the occurrence of waterborne diseases. 4.In addition, the PPR female adaptor is easy to install, with minimal maintenance required. It is also easy to clean with regular wiping, and does not require frequent replacements. You'll get great value for your money.