Krystal Carbon Filter 8” 200mm x 600mm - 1125m³/h RC412 Activated Carbon Air Filter

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£62.90

The Krystal 8" Carbon Filter 200mm x 600mm is a high-capacity 1125m³/h air filter filled with 100% RC412 Australian virgin activated carbon for effective odour control in filtered extraction systems.

Designed for higher-airflow ventilation applications, this model combines a 200mm / 8" connection, 600mm filter body and 1125m³/h airflow rating.

Krystal Carbon Filters use 100% RC412 Australian virgin activated carbon. The highly porous carbon provides an enormous internal surface area onto which unwanted gaseous odour compounds can adsorb as extracted air passes through the filter.

The filter is constructed around a lightweight aluminium housing with an open-area mesh outer surface. This provides a large air-entry area while helping keep the complete filter manageable for suspended ventilation installations.

Why choose the Krystal 8" Carbon Filter?

  • 1125m³/h airflow rating - designed for substantial filtered extraction systems.
  • 8" / 200mm connection - suitable for compatible high-airflow fans and 200mm ventilation systems.
  • 600mm filter body - provides substantial carbon filtration capacity.
  • 100% RC412 Australian virgin activated carbon - high-quality activated carbon selected for air filtration.
  • Effective odour adsorption - captures unwanted gaseous odour compounds from extracted air.
  • Lightweight aluminium housing - robust construction while helping reduce installation weight.
  • Open-area mesh - provides a large surface through which air can enter the carbon filter.
  • High-capacity filtration - suited to larger controlled horticultural environments.
  • Standard 200mm connection - straightforward integration with compatible fans, ducting and fittings.

100% RC412 Australian virgin activated carbon

Krystal specifies 100% RC412 Australian virgin activated carbon for this carbon filter range.

Activated carbon contains an extremely porous internal structure. These microscopic pores create a very large surface area capable of attracting and retaining suitable gaseous compounds from the air.

As contaminated air is drawn through the filter, odour-causing compounds adhere to the surface of the RC412 carbon through adsorption. The treated air then continues through the extraction system.

This process makes activated carbon particularly effective for treating odour-bearing extraction air and is fundamentally different from ordinary dust or particulate filtration.

1125m³/h airflow capacity

The Krystal 200mm x 600mm Carbon Filter is rated at 1125 cubic metres per hour.

The extraction fan needs enough performance to overcome resistance from the carbon filter, ducting and other ventilation components while remaining appropriately matched to the filter's airflow capacity.

Carbon filters naturally introduce resistance, so actual installed fan airflow will normally be lower than the fan's unrestricted maximum rating.

At the same time, excessive airflow can reduce contact time between the air and activated carbon. Correctly matching the fan and filter therefore supports both ventilation performance and effective odour adsorption.

200mm connection with 600mm filter body

The filter uses a 200mm / 8" nominal connection, allowing it to integrate with appropriately sized fans, ducting and fittings.

Keeping the ventilation system at the full 200mm diameter wherever practical helps minimise unnecessary resistance and excessive air velocity.

Its 600mm body provides a substantial carbon bed while retaining practical dimensions for installation in larger controlled environments.

Installing the Krystal 8" Carbon Filter

In a typical filtered extraction system, environmental air is drawn through the outer mesh and activated carbon bed before reaching the extraction fan.

Connections should be secure and reasonably airtight. Air entering the system downstream of the carbon filter can bypass filtration and reduce overall odour-control performance.

  • Support the filter securely and independently.
  • Use 200mm ducting and fittings wherever practical.
  • Pair with a fan appropriate for the 1125m³/h filter rating.
  • Keep duct runs short and direct where possible.
  • Avoid unnecessary tight bends and reductions.
  • Secure all connections to minimise untreated air bypass.
  • Keep the open-area mesh unobstructed.

Maintaining effective RC412 carbon filtration

Activated carbon has a finite adsorption capacity. As air is processed, unwanted compounds progressively occupy available adsorption sites within the carbon.

Filter life varies according to operating hours, airflow, contaminant concentration and environmental conditions.

Keeping excessive dust away from the filter and maintaining appropriate airflow helps preserve effective operation.

If unwanted odours begin passing through despite correct ventilation operation and secure connections, the carbon filter may be approaching the end of its useful service life.

Krystal 8" Carbon Filter product details

Brand Krystal Ventilation
Product type Activated carbon air filter
Nominal connection 8" / 200mm
Filter length 600mm
Rated airflow 1125m³/h
Carbon type 100% RC412 Australian virgin activated carbon
Housing Lightweight aluminium
Outer construction Open-area mesh
Filtration method Activated carbon adsorption
Primary function Odour removal from extracted air

Krystal 8" 200mm x 600mm Carbon Filter FAQs

What size is this Krystal carbon filter?

This model has a 200mm / 8" connection and a 600mm filter body.

What is the airflow rating?

The Krystal 200mm x 600mm Carbon Filter is rated at 1125m³/h.

What carbon does this filter use?

It is produced using 100% RC412 Australian virgin activated carbon.

Why is RC412 activated carbon used for air filtration?

Its highly porous structure provides a very large internal surface area onto which suitable gaseous odour compounds can adsorb as air passes through the carbon bed.

What size ducting should I use?

The filter has a nominal 200mm / 8" connection, so matching 200mm ducting and fittings should be used wherever practical.

What extraction fan should I use?

Select a compatible fan according to the filter's 1125m³/h rating, required environmental airflow and resistance from the complete ventilation system.

Will the carbon filter reduce fan airflow?

Yes. The carbon bed creates resistance, so actual installed fan airflow will normally be lower than the fan's unrestricted maximum airflow.

Can I use a variable-speed fan?

Yes. A suitable variable-speed fan allows airflow to be adjusted to match the requirements of the filter and ventilation system.

Should the filter be installed before the fan?

A common configuration draws air through the carbon filter first and then through the extraction fan so the air is treated before entering the exhaust ductwork.

Is the Krystal carbon filter made with an aluminium housing?

Yes. Krystal specifies a lightweight aluminium housing for the range.

What does the open-area mesh do?

It provides a large surface through which air can enter the cylindrical filter before passing through the activated carbon bed.

Can I reduce this filter to smaller ducting?

A reducer can be used where necessary, but reducing duct diameter increases airflow resistance and can reduce overall ventilation performance.

How long does the RC412 carbon last?

Service life depends on operating hours, airflow, contaminant concentration and environmental conditions, so an exact universal lifespan cannot be given.

How do I know when the filter needs replacing?

If unwanted odours begin passing through despite correct airflow and secure ventilation connections, the activated carbon may be reaching the end of its effective adsorption capacity.

Is this suitable for a larger filtered extraction system?

Yes. Its 200mm connection, 600mm filter body and 1125m³/h airflow rating make it suitable for higher-capacity controlled horticultural extraction systems.

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£62.90