Filter Bag Hot Welding Machine Connection Width: 10mm, 12mm, 14mm, 16mm, 20mm, 22mm Material: polyester, acrylic, PPS, polyurethane, rubber Specifications Max Speed 10meters/minute Foot Lift Distance 0-20mm Tube Diameter Φ80-Φ300mm Motor Power Voltage 120W 220V Wind Temperature 50-700℃