Ingersoll Rand India Ltd. Manufactures Robust Filter Regulator and Lubricator [FRL] Unit . Ingersoll Rand India Ltd. Is an ISO Class O certified company that also offers products like Machine Tools, Material Handling Equipments, Pumps, Fans & Blowers Accessories, Air Compressors, Air Motors, Compressors etc. Robust Filter Regulator and Lubricator [FRL] Unit provides Industry leading flow rates and Low leak rates. The Robust Filter Regulator and Lubricator [FRL] Unit has an All modular design, Full line accessory set and Locking bowls for safety. The Robust Filter Regulator and Lubricator [FRL] Unit comes with Bright, flush mount gauge with settable fan feature and 5 micron standard filter.