'PFA economy' grade. Translucent. Partly made of recycled PFA. These bottles are reasonably priced and environmentally sound. In comparison to pure PFA suitable for less critical uses, e. g. if the main requirement is the excellent chemical resistance and the high thermal stability of - 200 to + 260 °C. Screw cap made of ETFE, with tube made of FEP. Precise spray jet and optimised medium backflow through the continuous and finely drawn tip of the spray tube.