Nanjing Blue Sky Filter specializes in manufacturing high-performance HVAC filters for commercial, industrial, and residential ventilation systems. Our product range includes panel filters, pleated filters, pocket filters, V-bank filters, HEPA filters, and pre-filters, designed to meet global standards for clean air and energy efficiency.

We provide OEM and ODM custom services, offering customized sizes, MERV ratings, filtration media, frames, and private labeling. With advanced production lines and strict quality control, we support bulk orders and long-term supply for HVAC brands, filter distributors, and engineering contractors worldwide.

Choose Blue Sky Filter as your trusted HVAC filter manufacturer for consistent quality, competitive pricing, and reliable delivery.