Gas detector tube for crime investigation
3000 JPY (¥)/Box
Product Details:
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Gas detector tube for crime investigation Price And Quantity
- 1 Box
- 3000 JPY (¥)/Box
Product Description
Model AP-20B is necessary to use 290PII.10 tubes of 290PII are in one box.
Color change of 290PII is as following.
1. At the case of Gasoline
Whole stain is discolored to Brown and Greening Brown, and yellow stain is produced from the gas inlet of detector tube.
2.At the case of kerosene
Whole stain is discolored to Pink and pale Brown, and dark Brown or Brown stain is produced from the gas inlet of detector tube.
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