MJ Arsenal Houdini Portable Smoke Filters

MJ Arsenal

The Houdini by MJ Arsenal is your go-to sidekick for discreet smoke sessions. It traps odors fast using carbon filtration and keeps things fresh for around 200 exhales—no lingering smells, no awkward room sprays. 

It’s pocket-sized, easy to use, and made with biodegradable plastic, so you can feel good about tossing it when you’re done. Whether you're keeping it low-key at home or out and about, this sleek little filter has your back.

  • Carbon filtration for powerful odor control
  • Approx. 200 exhales per filter (varies by user/smoke type)
  • Disposable and made with biodegradable plastic
  • Super compact: 3.6" x 1.7" x 0.8"
  • Easy to use—just exhale through it
  • Sleek design for discreet sessions
  • Keeps your space smelling fresh

This single-use unit is ideal if you're just trying it out. Want more? There’s also a 6-pack option.

Sold exclusively on 421Store—aka the best online smoke shop in the U.S.
Got questions? Hit me up at support@421store.com. I’m Ayad, happy to help.



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Customer Reviews

Based on 2 reviews
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Ollie Adcock
Gift for a family member

I found these after a family member noted complaints from co-workers if he vaped even outside. Easy to order on 421 Store. Arrived promptly and worked great. He will order replacements as needed.

D
David Thum
Better than Smoke Buddy

Been using Smoke Buddy for a couple of years. This device doesn't have the annoying caps on each end to deal with and it keeps track of how many puffs so you know when to get a new one. Eats all the smoke I blow into it.