What kind of PVC ducting hose could self-supporting and simply increase or reduce the size?
Ecoosi self-supporting flex duct hose is made by rigid PVC, so make this PVC flexible hose have good resistance to acids, alkalis, and chemicals. This PVC interlock hose could handle working temperature from -10 °C approx. to +70 °C approx. Size range from 50mm to 200mm.
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