Panel prefilters
General ventilation
Panel prefilters
Capture coarse dust at the first filtration stage and protect downstream filters.

Representative product photograph. Final construction depends on the selected configuration.
Where it fits
Office buildings, retail, industrial ventilation and air-handling prefiltration.
Configuration guide
Technical overview
- Efficiency / classification
- G3 / G4 · EN 779
- Filter media
- Polyester synthetic fibre
- Frame options
- Aluminum, galvanized steel, stainless steel or paper
- Temperature range
- 80°C / 176°F
- Construction options
- CR / EPDM gasket; supporting mesh
Family-level options, not a single orderable specification. Confirm the complete model, dimensions, operating conditions and performance before ordering.
Get the fit right
Measure the actual opening and filter depth. Confirm frame construction and required initial resistance.
Send actual dimensions: width × height × depth.
Include a photograph of the existing label and a sketch of the frame, gasket or gel interface. For pocket filters, add pocket depth and count.
Documents for your selection
Ask PARSWOOD™ to confirm which documents are available for the proposed model:
- Configuration drawing and actual dimensions
- Efficiency classification and applicable test report
- Airflow versus pressure-drop curve
- Materials, seals and operating limits
- For HEPA/ULPA: individual test evidence and installation requirements