Venturi Tube Welder For filter cage KD-D08B controller Horizontal welding, applicable for welding bag cages of rand Venturi tube welding machineVenturi Tube Welder for filter cage1. To weld Venturi Tube to filter cage's top2. KD-D08B controller 3. Horizontal welding, applicable for welding bag cages of random lengths, supporting stand included. Venturi tube welder