Muffler, Air Intake Connection Size Not Applicable, Air Intake Connection Type Not Applicable, Air Intake Pressure (Maximum) Not Applicable, Compatible with Grainger Part Number 2CAV2, 2CAV3, 2CAV4, 2P599, 4RN28, 5U671, 5U672, 6CCK2, 6CCK3, 6CCK4,...