1Durable Plastic Material: Made of premium plastic material, the pool jet nozzles are built to last, withstanding wear and tear and ensuring long term use. 2Functions: This replacement pool return jet will allow clean water from the filtration system to re enter the pool. Correct placement and use of these jets will ensure your pool gets proper circulation. 3Versatile Applications: With a 45mm/1.8in male thread and a 14mm/0.6in outlet, these nozzles have a wide range of uses, suitable for swimming pools, spa facilities, and more. 4High Reliability: With exceptional craftsmanship and a high level of reliability, these pool jet nozzles are practical accessories that you can use for your swimming pool needs. 5Easy Installation: The pool jet nozzles are designed for simple installation, allowing for easy replacement of old or damaged parts, meeting your various requirements.