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The original carbon air filter! Can-Filters has been manufacturing carbon air filters for the last 15 years. With time comes experience and professionalism. This has enabled them to manufacture a high quality, no maintenance, carbon air filter with a tested and true 99.5% odor removing capability and a suggested life span of 12-18 months.
Can-Filters use a custom specified virgin activated Coal based carbon, (CKV4) to ensure the longest possible life in most applications. Whether for commercial, industrial, or residential use you can be sure that the proper carbon type, carbon weight, and bed width has been chosen to give full odor removal.
- Max Recirculating (Scrubbing) CFM: 400 cfm / 700 m³h
- Max Exhaust CFM: 200 cfm / 350 m³h @ 0.1 sec contact time
- Recommended Min Airflow: 100 cfm / 175 m³h
- Prefilter: Yes
- Flange: 150MM (6" Inch) / 200MM (8" Inch)
- Dimensions: (with pre-filter)
- Outside Diameter: 30.5cm / 12"
- Height: 33cm / 13"
- Total Weight: 11.5kg / 25.3lbs.
- Carbon Weight: 7.5kg / 16.5lbs.
- Carbon Bed Depth: 5cm / 2"
- Max Operating Temp: 80ºC
- Pressure drop at max cfm: 180pa / .75"wg
- Recommended Fans: RS150, Max-Fan Pro 150
In The Box
-  x Dutch Original Can-Filter Classic 33 - 400CFM
The formula for sizing a room: Length x Width x Height Divided by 3
Gives minimum recommended fan CFM
Match fan to filter
Ex.) 10ft x 10ft x 20ft = 2000 Cubic Feet
2000 Cu.ft / 3 = 667 CFM
667 CFM fan is Minimum fan size for this size area
after establishing fan size, match it to appropriate sized filter. IE, Can-100
Every different size of filter provides a different resistance to each different size and style of fan you put on it, a filter at the maximum exhaust CFM rating has approximately 0.7 wg. pressure drop
All Fans will have a lower CFM at a higher pressure.
For Example at .5"wg
The 10" Max-Fan goes from 1019 CFM to 885 CFM,
The 12" Max-Fan would go from 1708 CFM to 1595 CFM
Approximately 3%(Straight hard cast) to 7%(Flex Ducting)
1% to 4% Additional loss for every 90° Bend
The Can-Filters are manufactured in Beautiful British Columbia, Canada/North America
The Fans are manufactured in Germany.
The only difference is the carbon bed thickness
38 special = 2" Carbon bed
Original Can-Filter = 2.5" Carbon bed
38-Special expected life = Approx. 1 year
Original Can Filter = Approx. 1.5 Years
It is a good idea to replace the pre-filter when they become dirty because the pre filter is blocking larger dirt and dust particles from getting into the pore structure of the carbon, a dirty pre filter increases the pressure, which will decrease the flow through the filter.
Technically the filter can be re-filled, but it is not a good idea to self-fill the filters at all, the reason for this is that Can-Filters uses an industrial shaker with timed intervals and a dust extraction system, to ensure a packed carbon bed .This eliminates the possibility of preferred air channels through the filter, because as we all know, air does not wait in line to go through a filter it finds the path of least resistance and crowds in. So if you tried packing the filter yourself, as soon as you got it as full as you think you could get it, attached a fan and turned it on, the fan would vibrate the carbon, and over time the carbon would settle and you would be left with air gaps all over the place presenting the air with channels to flow through the filter and possibly leave untreated.
The maximum recommended temperature that you can run your filter at is 80°C / 176°F
Above 70% humidity the water molecules in the air start to get stuck in the carbon pore structure and slowly diminish the life of the filter.
The life of a filter is determined by the concentration of the contaminant, the relative humidity and the volume of air cleaned. Unfortunately, there is no indicator light on the filter that tells you when it is ready to be replaced. Experience with one Can-Filter will give you an expectation for future Can-Filters in your application.
It is recommended to pull air through the filter, the reason for this is because the filters utilize the most surface area of carbon to clean the air and you use the most of the pre filter to block dirt and debris from entering your carbon pore structure. Another advantage of pulling air through the filter is that your going to have clean air running through your fan instead of air possibly laden with VOC’s, dust, and other airborne particles that could stick to the fan blades and create air resistance.
During the manufacturing process Can filters uses an industrial shaker to vibrate the filter to ensure the carbon bed is packed tight and full to the top. This process eliminates any preferential channels which would allow the odor to pass through the carbon without the proper contact time.
Can filters only uses quality activated carbon that is designed for our manufacturing process.
The CFG packed bed design filter ensures the highest quality odor control.
We recommend pushing the air through your air cooled lights to avoid overheating your fan and to create a positive air pressure in your ducting and light hoods.
Approximately 150 - 200 CFM is required to air cool a 1000W Bulb.
We warranty our fans for 5 years. Filters are warranted only against manufacturing defects.