UL Listed emergency vent (pressure relief only) used on aboveground storage tanks, as a code requirement, to help prevent the tank from becoming over-pressurized and possibly rupturing if ever exposed to fire.
Available Sizes: | - 3" 16oz/sq.in.
- 4" 16oz/sq.in.
- 6" 16oz/sq.in.
- 8" 16oz/sq.in.
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$98.27 – $358.67