https://www.amazon.com/S%C3%B1oring-Reusable-Solution-Comfortable-Dilators/dp/B0BKRLW76M/ref=mp_s_a_1_15?crid=1E59KL532NHV5&keywords=nasal%2Bdilators%2Bfor%2Bbreathing&qid=1675048399&refinements=p_36%3A1253518011%2Cp_72%3A1248903011&rnid=1248901011&s=hpc&sprefix=nasal%2Bdi%2Caps%2C97&sr=1-15&th=1&psc=1

Very similar to this. They don’t have the exact model I bought any more but you can buy any of the dilators that have 4+ stars, I don’t think it matters too much. The more important part for me was the mouth taping