Mi Yodeya is a question and answer site for those who base their lives on Jewish law and tradition and anyone interested in learning more. Join them; it only takes a minute:

Sign up
Here's how it works:
  1. Anybody can ask a question
  2. Anybody can answer
  3. The best answers are voted up and rise to the top

What implications might there be for a personal air purifier on Shabbath? Would it be the same as wearing a watch, even a self-winding watch, which according to most is Mutar on Shabbath? Or is it a problem because its primary function is to do Melachah for you wherever you go?

share|improve this question

Your Answer


By posting your answer, you agree to the privacy policy and terms of service.

Browse other questions tagged or ask your own question.