Filtro de ar para HVAC plissado 20x20x1 com moldura de alumínio Fabricante de pré-filtro personalizado

Aluminum Frame HVAC Pleated Pre-Filter Factory Direct Custom Air Filter for AHU and Ventilation Systems Type HVAC Pleated Air Filter Filter Material Polyester Synthetic Fiber / Nonwoven Frame Material Aluminum Alloy Size Customized Shape Customized Filter Grade G4 / M5 / MERV 8 / MERV 11 / ...