Feature: 1. Stainless Steel Construction: The heater element is made of stainless steel material, ensuring durability, erosion resistance, and a long lifespan for reliable performance. 2. Easy Installation: The threaded holes in the heater tube contacts allow for easy attachment with bolts, ensuring a secure and stable connection during use. 3. High Efficiency Heating: With a power output of 3500W and high thermal efficiency, this W Type heating element provides even heating and a safer user experiences. 4. Wide Applications: The heating element is suitable for various industries such as ovens, baking rooms, insulation, air conditioning equipment, food, food utensils, machinery manufacturing, automotive, textile, and household appliances. 5. Dimensions: The heating element has a unilateral length of 21.7 inches, a center distance of 6.7 inches, and a pipe diameter of 0.5 inches, offering a compact and versatile design suitable for a range of heating needs. Specification: Item Type: Finned Heating Element Material: Stainless Steel Power: 3500W Usage Temperature: Recommended temperature is less than 250 ° C Heating Method: Air Pipe Length (Unilateral Length): Approx. 550mm / 21.7in Center Distance: Approx. 170mm / 6.7in Pipe Diameter: Approx. 12mm / 0.5in Thread: M18 x 25. Package List: 1 x Finned Heating Element Note: 1. Do not use in outdoor environments with high humidity. 2. When using electric heating tubes to heat the air, the components should be arranged in a cross pattern for good heat dissipation, allowing the air flow to fully heat. 3. 1.Please allow slight error due to manual measurement. Thanks for your understanding.