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Iwamizawa
Supported!
Gas Cylinder
To confirm
I checked the Iwamizawa City Household Waste Separation Guidebook (9th Edition) PDF and the page on household waste, but the guidebook did not clearly specify the disposal method for gas cylinders (such as cassette gas cylinders). The city's waste separation search system also did not yield results for "gas cylinder." Please contact the Waste Management Division (Direct Line: 0126-35-4395). For reference, general precautions (handling varies by municipality, so verification is necessary): * Gas cylinders with remaining contents may require collection by a disposal company or retailer, and may need processing such as puncturing. * Handling differs between municipalities—some treat them as recyclables, non-combustible waste, or bulky waste—so follow the designated disposal method. * The city treats them as high-pressure gas or hazardous materials, so do not casually dispose of them as combustible waste.
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Trash Lens helps you find
Disposal, Sell, or Reuse options
in 3 seconds just by snapping a photo!

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Dispose

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Sell

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Reuse

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Know how to dispose

Know how to dispose

Just point your camera at unwanted items to learn how to dispose of them. No more struggling with complicated rulebooks.

Know how to sell

Know how to sell

See a list of shops that might buy your items at a high price or take them immediately.

Know how to reuse

Know how to reuse

Discover ways to reuse. A broken plate might be fixed or reborn as something new with methods you didn't know.

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Currently supported in 498 municipalities

Waste separation data is expanding. Check the list of supported municipalities for the latest status.

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Currently supporting languages

The app is available in multiple languages, not just Japanese. Supported languages are expanding.

Chat Feature

Easy communication with shops via chat!

Contact shops that accept your waste directly in the app via chat. Very convenient! *Coming soon

About Trash Lens

About Us

TrashLens Team
Shinya Inoue

S.Inoue / Co-creation Promotion Manager

Experienced in environmental management at mega-ventures and GAFM before joining Trash Lens. Worked with CEO Yamamoto as an intern at Pirika Inc.

Genta Ono

G.Ono / Engineer

Graduate student at the University of Tokyo. Interested in Speculative Fiction and Human Computer Interaction. Explores the possibilities of technology from multiple perspectives.

Kotaro Yamamoto

K.Yamamoto / Representative & CEO

Developed the prototype of Trash Lens in high school after questioning waste separation. Aims to maximize the value of items beyond 2 choices of "throw away or sell" through diverse options.

Shiina Inoue

S.Inoue / Co-creation Promotion

Studying digital media and interaction design at Meiji University. Interested in creating systems that connect people and society. Aims to realize optimal user experiences from a human-centered perspective.

Kosei Yamamoto

K.Yamamoto / Designer & Engineer

Studying at Meiji University Graduate School. Researching interaction design for haptic video and VR experiences. Engaged in programming and video production as hobbies, merging technology and creativity.

Contact Us

If you have any questions, please feel free to contact us.

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