Smokebuddy: スモークフィルター（ブルー - グロー）

You can feel it working as you exhale, and the lack of any smoke or smell on the other end is genuinely impressive. I've been using it in my apartment without any complaints.

The blue glow is a nice touch for finding it in the dark, and the filter really does make the air smell like nothing after I exhale. I've been using it inside without a trace of odor, which is awesome.

I’ve been using this filter for a week now and the glow-in-the-dark feature actually works, making it easy to find in the dark. It really cuts down the smell—I can smoke inside without any lingering odor. Definitely worth the money for discretion.