【Compatible Models】This pack includes three 3" hot tub jets replacements, designed to fit the 212-7929 and 218-6930 models, make sure you get the seamless fit and enjoy a relaxing spa time. 【Excellent Quality】These replacement hot tub jets are made from reliable materials, ensuring long-lasting performance and better quality compared to regular jets. You'll experience improved water flow and durability in your hot tub. 【elaborate design】 Our hot tub jets diffusers are expertly crafted to ensure that the water jet is evenly dispersed, creating a soothing and relaxing flow that will leave you feeling rejuvenated. You'll love the therapeutic benefits of our well-designed water flow. 【Easy Installation】Installing replacement hot tub jets is really easy! All you need to do is remove the old jets, check for any debris in the opening, align the new jets, and firmly push them into place. You'll be done in just a few minutes, and it's a hassle-free solution! 【After Sales Service】At our factory, we take great care to ensure that our hot tub jets meet quality standards. If you happen to receive a product that doesn't meet your expectations, please don't hesitate to let us know. We're committed to finding a solution that will leave you completely satisfied. Align the new hot tub spa nozzle with the opening, and then use force, even force, to "snap/lock" the new nozzle into place. The installation is very simple, you just need to turn it clockwise until water can flow through it and enjoy it with peace of mind.