E. I. DuPont India P. Limited offers Plant Nutrients with Low, Mid and High Frequency Acoustical Energy. E. I. DuPont India P. Limited products are ISO certified. Plant Nutrients with Low, Mid and High Frequency Acoustical Energy or E. I. DuPont India P. Limited ™ LoWave ™ is a highly developed acoustical material that effectively reduces low frequency noise and vibration without altering machine design or existing infrastructure by using less mass, volume and weight than traditional solutions. Like a blanket, the product is conformable and has the ability to reduce noise from a variety of sources; such as heating and air conditioning systems, fans, motors and other mechanical equipment. The versatility and ease of installation enables noise engineers and acoustical consultants to specify for a variety of unique applications.