360° Rotatable — Can be rotated 360 degrees horizontally, allowing you to adjust the water direction arbitrarily. Multifunctional — This nozzle is multifunctional and used for other related purposes such as water outlet acceleration nozzle of aquarium circulation water pump. Application — Suitable for aquarium submersible pump. aquarium, with stable performance and high reliability. Fit For — The vent port can connect to 4mm/0.2 inch vent tube, strictly follow the factory quality control. Premium Quality — Made with quality ABS material for beautiful outlook and long service life.