How do I install a Flange?
You can purchase a flange separate from your filter and fan or have it come with everything in a Box Combo all that you need to do is take the foam tape gasket and apply it to the outer edges of the flange then simply center the flange on the filter and use 6 Tek screws and drill into the top of the filter in a star pattern. And viola! Your flange is now attached to the filter.
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How much CFM loss is there through the filter?
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
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Do I need to replace the pre-filter?
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.
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Can my Filter be refilled?
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.
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What is the Maximum Temperature/Humidity I can run my filter at?
The maximum recommended temperature that you can run your filter at is 80 Degrees Centigrade, and as soon as your start rising 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.
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How long does the filter last?
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 particular application.
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What is the Can-Filters packed bed design?
During the manufacturing process Canfilters 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.
Canfilters only uses quality activated carbon that is designed for our manufacturing process.
The CFG packed bed design filter ensures the highest quality odor control.
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Is there a calculation for sizing a room?
Yes there is and it’s really quite simple, all you need to do is take your cubic feet of the room (Length x Width x Height) and divide that number by the number of minutes you would like to exchange the air in the room (Only 1 – 3 Minutes is recommended) and that will give you the recommended minimum CFM that you need for that room, then you take that Min CFM number and match it to one of our filters and as long as that Minimum recommended CFM is higher then the exhaust minimum on the filter you will have adequate airflow and proper filtration for that room.
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Are your fans Speed Controllable?
Yes all of our fans are speed controllable, Check out the Can-Trol Speed Control for your 120V fan, This control provides absolutely no motor hum when controlling the fan, it also gives you the option to control the voltage entering your fan, with an easy to use dial you can go from 1v to 130V with a turn of your hand, no matter what voltage you run, your fan will not hum!
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Can you push or pull through the filter?
You can both pull through the filter or push air through the filter, if you are going to push air through the filter it is recommended to take off the outer pre-filter and place it before the intake of the fan so you can remove dust and dirt particulate before it enters your fan and filter.
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Is it recommended to push or pull through the filter?
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 resistances.
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How do I size the proper fan to a filter?
We actually put the recommended fan right on the sticker on the Can-Filter to take away any of the guess work you may have had to do in the past, but if you do not have a filter right in front of you the same formula for sizing a room works to size a fan to a filter and a filter to a room ( Length x Width x Height) gives your cubic feet and then divide that number by the number of minutes you would like the air to be exchanged in that room (only 1 to 3 minutes is recommended!!) and that will give you the recommended minimum CFM that you need for that room, then you take that Min CFM number and match it to one of our filters and as long as that Minimum recommended CFM is higher then the exhaust minimum on the filter you will have adequate airflow and proper filtration for that room.
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What is the warranty on your filters and fans?
We warranty our fans for 5 years. Filters are warranted only against manufacturing defects.
Frequently Asked Questions About Filters
* Questions and answers provided by "Can Filters". Click HERE to see original Filter FAQs
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Westside Light and Garden