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Single-Lock Coupling (for Nitrogen use only) Male x Female NPT with Nitrogen Ring
- First-ever "Nitrogen Only" Warning Rings for safe hose differentiation. Always specify the yellow warning ring for Nitrogen…on both the hose coupling and manifold.
- High strength zinc-aluminum alloy sleeves never rust, never seize or gall
- New 1" sizes added
- Interchangeable with other Bowes and Thor style couplings