Efficient G3/EU3 Primary Filter Cotton for Air Conditioning Systems

G3/EU3 primary filter cotton is designed for high-efficiency air conditioning systems. Featuring humidity and

temperature resistance, this filter ensures excellent air quality. Made from durable polyester fiber, it effectively

traps particles ≥5μm, making it perfect for high-dust environments.

Welcome to CoatTech Intelligent Equipment.
We do more than build equipment—we engineer out your production bottlenecks. Based in Guangzhou, China, we design and manufacture intelligent coating solutions that reduce downtime, lower energy costs, and deliver flawless finishes. From custom spray booths to fully automated lines, we help you ship better products, faster.

As a leading industrial manufacturer, we specialize in the R&D, design, and production of custom spray booths, automated powder coating lines, high-temperature curing ovens, The Three-axis Personnel Lift. Whether you are manufacturing heavy machinery, automotive parts, or complex industrial components, we tailor our equipment to fit your exact workflow.
 

Backed by strong OEM/ODM capabilities and intelligent manufacturing, we empower global businesses to reduce downtime, lower energy costs, and scale their operations with absolute confidence. What are you currently manufacturing that needs to get out the door quicker? Let us build the solution.