Heavy Duty FiltersThese ARO Heavy-Duty Series filters extend the life of air-operated equipment while reducing maintenance costs. These units efficiently remove solid particles from compressed air lines ? making them the perfect choice for large flow applications.Heavy Duty RegulatorsThese ARO Heavy-Duty Series regulators provide accurate and quick response to flow demands and line pressure changes, giving air-powered equipment the precise air pressure control needed.Heavy Duty LubricatorsExtra rugged Heavy-Duty Series lubricators deliver the reliable lubrication needed for long service life of air line systems and equipment.