Air Filter (standard Replacement) Montesa 4rt 2005/2020

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