Fisher 3990 1/2" M Inlet Atmospheric Vacuum Breaker
- SKU:
- 3990
- MPN:
- 3990
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Fisher 3990 1/2" M inlet atmospheric vacuum breaker protects potable water systems from backflow and siphonage.
- Meets CSA safety standards
- Durable for commercial use
- Suitable for faucets, sinks, and drains
- 1/2" M inlet for plumbing compatibility
- Compact 3.5 pounds for easy install
- Atmospheric design prevents backflow
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