FRP or fibreglass reinforced plastic fittings are specially-designed piping products that are manufactured of a polymer matrix reinforced with fibres. Based on piping technology, this product is fabricated from FRP pipe and is widely used for commercial purposes such as potable water and desalination industries, chemical, petrochemical, oil and gas industries, ducting and vent piping, irrigation and sanitary services, water distribution and transmission, slurry piping and power plants. It is connected with the standard butt and strap joint and holes are made to fit in other pipe. You can search these pipe fittings at Shreya Polymers if you value true quality.