Air Filters and Chemical Filtration

Activated Carbon Panel Filter

A shallow molecular panel that places activated carbon in a bonded pleat or contained loose-fill bed for odor and VOC adsorption in HVAC systems.

Broad-Spectrum Carbon Media
Shallow Panel Format
Low-Load Odor Control
Standard HVAC Face Sizes

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Product Introduction

The activated carbon panel filter provides a compact gas-phase filtration stage for air handlers and recirculation units with limited depth. Activated carbon is either bonded to a porous support and pleated or retained as a thin granular bed between perforated screens. A galvanized-steel or moisture-resistant polymer frame holds the adsorbent uniformly across the face. The panel is suited to moderate concentrations of odors, ozone and volatile organic compounds, especially where a conventional particulate prefilter can protect the carbon surface from dust.

Key Features

Broad-spectrum activated carbon adsorbs many common organic vapours and nuisance odors from moving air.

The 25–100 mm panel depth fits standard HVAC holding frames without a separate deep-bed vessel.

Bonded or screened media construction limits loose-carbon movement and helps maintain an even bed.

A rigid perimeter frame supports front-access replacement in supply, return or recirculation sections.

Customer Product Concerns

Low-level gases and odors pass through ordinary particle filters, but many air handlers have room for only a shallow additional stage.

A particulate prefilter leaves VOCs and nuisance odors in the supply air.The activated-carbon layer adsorbs molecular contaminants that are too small for mechanical particle media.

A deep loose-fill carbon bank cannot fit the existing air handler.The shallow panel format adds a practical molecular stage within standard filter tracks.

Loose granules settle and create low-resistance bypass channels.Bonded carbon media or restrained screened cells hold the adsorbent evenly over the face.

Dust coats the carbon and blocks access to its internal pore structure.Using the panel behind an appropriate particulate prefilter protects available adsorption sites.

Typical Applications

Office and commercial HVAC odor controlCleanroom make-up air polishingLaboratory recirculation systemsMuseum and archive ventilationOutdoor-air intakes near traffic

Technical Parameters

Typical construction ranges for activated-carbon molecular panel filters are listed below.

Core Material	Bonded activated-carbon nonwoven or granular activated carbon retained between porous support screens
Panel Thickness	25–100 mm overall panel depth
Effective Width	287–610 mm nominal face width
Maximum Length	Up to 610 mm nominal face height
Steel Facing Thickness	0.5–0.8 mm galvanized-steel frame or perforated retaining screen
Core Density	Approximately 400–600 kg/m³ bulk density for granular activated carbon
Thermal Conductivity	Approximately 0.10–0.25 W/(m·K) for the dry activated-carbon bed
Surface Finish	Mill-galvanized steel, stainless steel or black moisture-resistant polymer frame
Joint Type	Flat-panel gasket or slide-in header connection for standard holding frames
Customization	Available based on the intended application and operating environment.

Available Options

Coconut-shell or coal-based activated carbonBonded pleat or loose-fill panelGalvanized, stainless or polymer frameImpregnated media for selected acidic or basic gases

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