Available in lengths from 60–108 in., Long Super Ion Air Knives feature one-piece construction, ensuring seamless airflow and eliminating coupling of multiple short-length air knives together. Units neutralize static electricity while blowing away dust and particulates from wide webs and printed surfaces, paper, plastics, wood, acrylic, and 3-dimensional shapes. Made of aluminum, 303 SS, or 316 SS, air knives operate down to 5 psig and provide optimal cleaning up to 20 ft away.