【WIDE APPLICATION】Works for air hose fittings, hose repair, garden hose fittings, 1/2 to 3/8 adapter, check valve aquarium, 3/8 to 1/2 water line adapter, aquarium air valve, 3/8 to 1/2 adapter, 1/2 to 3/8 reducer, plus lab, food, chemical, aquarium, fuel, and water systems.
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