8m gas introduction pipe set for NEW COSMOS PA-4000-2

[Features]
Used for pre-measurement of places deeper than the ground such as manholes.
Since it has a float, it can be used even where there is water.
Comes with a case that can store the 8m introduction pipe and float.

[Use]
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【specification】
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[Specification 2]
Used in combination with the pump UNIT set PA-4000-2 for pre-measurement of areas at risk of lack of oxygen

[Material/Finish]
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[Set contents/accessories]
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【Note】
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