PVC Helix Duct Hose

PVC Helix Duct Hose   PVC Helix Duct Hose has many advantages. First, it can bear the corrosion from harsh chemicals. Second, it bears the oxidation caused by moisture. It also resists crush. PVC Flexible Duct Hose with rigid PVC is ideal for a broad range of usages. While it's ideal for moving ambient air,…