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HXF8 suction nozzle nozzle
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HXF2 with dual nozzle fire breathing valve
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HXF-88 all weather quick open breather valve
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QZF-89 all-weather fire breathing valve
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JAV-I jacket thermal insulation breathing valve
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Model GHF-1 fire breathing valve
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ZFQ-1 explosion-proof fire stop breathing valve
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GFQ-2 all weather breathing valve