•  DESIGNED FOR YOUR BIKE (no “universal fits” at Twin Air – we have molds for 1500+ different model motorcycles dating back to 1965) • WASHABLE AND REUSABLE (reusing a Twin Air filter 15 times is common) • DUAL-LAYER FOAM made to our specifications, with cells that are evenly sized and distributed • MINIMIZED SEAMS made possible by a revolutionary micro-gluing process • GREASELESS SEALING RING • ASSEMBLED BY HAND and inspected for a perfect fit • PACKAGED IN A RESEALABLE AND REUSABLE BAG