Do hermetically sealed Tefillin ever need to be checked?

From Halacha with Rabbi Bressman: R Dovid Nissan Bressman by R Dovid Nissan Bressman.

• Published: Fri, 26 Dec 2025 00:20:46 -0500
• Duration: 15:31
• Audio: https://media.transistor.fm/50fa8f4f/bc883738.mp3
• Page: https://share.transistor.fm/s/50fa8f4f
• TorahApp: https://torahapp.org/share/p/TC_35627/e/6275ffd5-6338-4f93-9419-7e527c1c8292