Air Line for Fish Tank Aquarium Pond Air Pump. Food Grade Non-Toxic Clear PVC Hose Pipe Tube. 4 mm ID / 6 mm OD Food Grade Non-Toxic Clear PVC Hose Pipe Tube. Our hose pipe is to be applied for the protection of bundles of electric cables, for the transportation of drinking water, fluids, food substances (not containing fat), gases and powders.
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