The AG128 (F128) Quatro Air Tech Filter Bags in a 5 pack are designed for use in electronic components and semiconductors, specifically for printed circuit boards (PCBs). The Quatro brand ensures high quality and reliability for your filtration needs. These filter bags are equipped with advanced technology to effectively capture and filter out impurities, ensuring a clean and efficient environment for your electronic equipment. Ideal for businesses and industrial settings requiring precise filtration solutions.