AirDog® Champ II™ Spin-On Caterpillar Unit using CAT 1R-0749 or 1R-0750 Filter

AirDog® Champ II™ Spin-On Caterpillar Unit using CAT 1R-0751 Filter

AirDog® Champ II™ Spin-On Detroit Series 60 (1987-2009)