Wash Bottle Cap for Sinus Rinse
thingiverse
Use a wash bottle as a neti pot for sinus rinse. something like this will do: https://www.amazon.co.uk/gp/product/B07HH3XCBZ?ie=UTF8&psc=1&linkCode=sl1&tag=arturs05-21&linkId=abe74fcd13b5a931399cfa64611041cf&language=en_GB&ref_=as_li_ss_tl
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