Feature: 1. Excellent Stainless Steel Material: This W type electric heating tube is made of excellent stainless steel material, which is strong and abrasion resistant, not easy to be damaged, and has a long service life. 2. Strong Practicality: The W type oven heat pipe features threaded holes on the heater contacting points, designed for bolts and internal screws, providing a secure and stable connection for efficient heat transfer. 3. High Efficiency: With excellent heat transfer capabilities, the W type fin heating tube offers high thermal efficiency and uniform heating, ensuring secure and consistent performance, very practical. 4. Good Compatibility: This W type finned heat tube has 400mm one side tube length, 160mm center distance, 12mm tube diameter and M18 x 25 thread, which is suitable for a wide range of equipments and can be used in many situations. 5. Wide Application: This stainless steel heating pipe has a wide range of applications and can be used in a variety of ovens, bakery, heat preservation, air conditioning equipment, food, food appliances, machinery manufacturing, automotive, textile, food, home appliances and other industries. Specification: Item Type: W Type Finned Heat Tube Material: Stainless Steel Power: 2500W Operating Temperature: Recommended less than 250°C Heating Method: Air Tube Length(One Side Length): Approx. 400mm / 15.75in Center Distance (Open): 160mm / 6.30in Pipe Diameter: Approx. 12mm / 0.47in Thread Size: M18 x 25. Package List: 1 x W Type Finned Heat Tube Note: 1. Do not use in environments with high humidity outdoors. 2. When heating air with dry burning electric heating tubes, the components should be arranged in a cross and even manner to provide good heat dissipation conditions, allowing the air passing through to be fully heated. 3. There is error in size.