Waterpik Pro Jt-100E Replacement Ultra Jet Tips, Model JT-100E - 2 Ea Go to amazon.com Related posts waterpik nozzles buyer's guide for 2022 Feature Waterpik Model: JT-100E. These tips are Manufactured by Waterpik. This is the newer version tip, this newer version tip replaces the older version tip model number JTR-2 DescriptionThese are the model JT-100E. And are manufactured by Waterpik.