From 2014bdc26774211b4fff423521be3c61d79b72ba Mon Sep 17 00:00:00 2001 From: joladisto Date: Thu, 19 Dec 2024 10:45:09 +0100 Subject: [PATCH] update --- Readme.md | 2 ++ 1 file changed, 2 insertions(+) diff --git a/Readme.md b/Readme.md index 3c1b7d9..95a2590 100644 --- a/Readme.md +++ b/Readme.md @@ -11,6 +11,8 @@ :warning: **WARNING : _Please don't use a 3D printed canister (or even our mask) in life threatening situations !_** :warning: +This canister is made to be used with mask supporting standard 40mm threaded canisters - sometimes also known as "_nato threaded_" canisters - which the standard dimensions are defined in [sources/nato_thread_spec.png](./sources/dimension/nato_thread_spec.png). + This filter canister works by holding a filtering material - _usully activated charcoal_ - in between two securelly held mask/filter pieces. The center sleeve is made to hold both the mask/filter pieces, using the pressure of the two outer shell part being screwed in together around the sleeve.