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Air Filters and Chemical Filtration
Compact Medium-Efficiency Air Filter
A short-depth rigid filter designed to upgrade fine-particle capture where a full-depth box or long pocket filter cannot be installed.
- Short Installation Depth
- Deep Mini-Pleat Media
- Rigid Header Interface
- Retrofit-Friendly Footprint
Product Introduction
The compact medium-efficiency air filter uses one or more deep mini-pleat media blocks secured inside a short rigid cell with a full perimeter header. Unlike a long flexible pocket filter, the supported pack retains a fixed outline and requires little downstream clearance. Hot-melt separators regulate pleat spacing, while the sealed frame and optional compression gasket create a defined interface with existing filter tracks. This construction is intended for air-handling units that need ePM1 filtration but have insufficient depth for a 292 mm V-bank or 600 mm pocket configuration.
Key Features
Deep mini-pleat blocks retain useful media area without projecting into the downstream plenum.
A continuous header offers a stable sealing surface in front-access and side-access tracks.
Rigid pack support eliminates pocket movement near coils, dampers and access doors.
Customer Product Concerns
Restricted cabinet depth often prevents an efficiency upgrade unless the media area is packaged into a rigid compact format.
Existing equipment has no clearance for long filter pockets.A fixed short-depth cell keeps the complete filter inside the original track envelope.
A shallow ordinary panel cannot provide enough fine-media area.Deep mini-pleats concentrate substantially more media within the same face dimensions.
Loose retrofit filters leak because their headers do not match the old rack.Selectable header profiles and gaskets create a positive compression interface with the existing frame.
Downstream components contact and abrade unsupported filter bags.The fully enclosed rigid pack maintains clearance from coils, dampers and cabinet hardware.
Typical Applications
Retrofit air-handling unitsFan-coil and packaged HVAC systemsCleanroom support-area ventilationHospital refurbishment projectsIntermediate filtration in shallow housings
Technical Parameters
Typical construction ranges for a short-depth compact medium-efficiency air filter are shown below.
| Core Material | Fine glass-fiber or synthetic mini-pleat media with hot-melt separators |
|---|---|
| Panel Thickness | 95, 120 or 150 mm compact cell depth |
| Effective Width | 287-610 mm modular face width |
| Maximum Length | Up to 610 mm modular face length |
| Steel Facing Thickness | 0.45-0.70 mm galvanized-steel header or optional protective faceguard |
| Core Density | Approximately 75-125 kg/m³ nominal assembled compact-pack density |
| Thermal Conductivity | Approximately 0.034-0.043 W/(m·K) for the dry fiber media |
| Surface Finish | White media pack in galvanized steel, molded plastic or anodized aluminum |
| Joint Type | Mini-pleat media block bonded into a rigid box cell with a full perimeter header |
| Customization | Available based on the intended application and operating environment. |
Available Options
ISO ePM1 50-80% grades95 mm, 120 mm or 150 mm cell depthSingle-header, double-header or box profileFront or downstream gasket location
Planning a Compact Medium-Efficiency Air Filter specification?
Send us your dimensions, installation conditions, performance targets and required surface finish.
