Dewdon - Pre Filters
All Products


Dewdon Pre filters used to protect primary filters from airborne particles and dust. Patented turbine pre-filter design. Single piece design allows for pre-filter change out during power generating mode. The easy-to-use telescopic tool inserts the pre-filter over the primary filters quickly and easily. All seams are ultrasonic sealed, eliminating potential leak paths. Our pre-filter has removal straps that will allow the pre-filter to roll and keep the dirt and dust inside

Products Specification

Item Material(Standard) Material(Alternative)
Filter Media Synthetic fiber/Glass fiber/Cotton/Non-Woven fabrics
Frame Cardboard Aluminum/Galvanized
Protect Mesh Aluminum net Stainless steel net
Filtration Efficiency G2,G3,G4
Average Arrestance 85%-96%@5micron
Initial Resistance 30-50Pa
Final Resistance 200-250Pa
Temperature Limit 100˚C
Color Blue or White

Product Features

Superior dust-loading capacity

Low pressure drop for low cost

Large airflow

Technical Data

Products Show


Pleated Pre-Filters widely applied in gas turbine air inlet housing, air conditioning and ventilating system as a prefilter before medium filters and HEPA filters.

Copyright © 2012 - 2019 Linlax Infotech Private Limited. All Rights Reserved.