410a/22a Sight Glass #3476
- Sight Glass with Moisture Indicator for 410a, 22 and other refrigerants
- Pink = wet
- Green = dry
- Gray = caution
- This sight glass is a 3/8" brazed joint copper pipe A/C installation
- Makes monitoring of the A/C system very simple. Tells you the condition of the refrigerant in A/C system.
- Reduces the risk of moisture being unnoticed in A/C refrigerant
- Sight glass may appear slightly different than picture.
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