Suitable size: the pool nozzle has a 3/4 opening and a 3/4 thread to fit 3/4 PVC pipe, which can also be adjusted and locked in place with an external locking ring. Convenient Features: Spa massage nozzle is convenient to use. The flow inlets are fully adjustable and flow directly into most areas of the pool, providing the proper circulation pattern. High Quality Material: The pool eyeball nozzle is made Made of high quality PVC, which is well made, safe, durable and corrosion resistant. High Performance: The swimming pool massager eyeball nozzle has high performance with quality control standards strict. Directional water flow inlet fitting that allows speed and flow control. Wide Applications: Spa Eyeball Jet Nozzle is a good replacement for pool outlet nozzles, suitable to standard return pool directional drain fittings and suitable for swimming pools. Description: Pool eyeball nozzle is convenient for swimming pools and other large-scale water storage equipment. A nice alternative to the pool outlet nozzle. These directional water inlets are fully adjustable and flow straight into most areas of the pool, providing the correct circulation pattern while controlling speed and flow. Specification: Name: Pool Massage Eyeball Nozzle One Size: 10*10*8cm Material: PVC Packing List: Nozzle*3