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T5 Compact Fluorescent Light Bulb - 2 feet
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Can-Filter 33

Can-Filters« knows carbon, and brings that knowledge and experience to give you full odor removal in all of your hydroponic applications. All activated carbon is not created equal, and each type of application requires careful consideration to have a full 99.5% odor removal efficiency.

With Can-Filters« you can be assured that the proper Virgin Activated Carbon has been selected for the job and that the CFM has been mathematically calculated to give a .1 second contact time with a Pressure Drop of 180Pa/.75wp at Max Cfm. This contact time is essential for true 99.5% efficiency, and can only be acquired with a proper 2.5" carbon bed width and a heavy over all carbon weight.

All Can-Filters« come with a top quality pre-filter. With this and the large carbon mass of our filters you will enjoy a true 12 to 18 months of maintenance free odor removal from our complete line of filters

Max cfm: 200/350m│/h
@ 0.1 sec contact time
Recommended Max Airflow: 340m│h
Prefilter: Yes
Flange: 6 & 8"

Dimensions: (with pre-filter)

  • Outside Diameter: 305mm/12"
  • Height: 330mm/13"
  • Weight: 6kg/13.2lbs.
  • Carbon Bed Width: 50mm/2"

  • Max Operating Temp: 80║C

    Recommended Can-Fan:

    FAN .....................Filtered Air CFM
    RS6HO........................... 219

    Pressure drop at max cfm: 180pa/. 75wg

    Inside Can-Filters

    Have a look inside the Can-Filter and see what makes is work.

    Activated Charcoal For Air Purification and Odor Removal

    Activated charcoal has been in use for centuries as an air/water purifier, health supplement and chemical "scrubber", in fact activated carbon has some of the strongest physical adsorption properties of any material even known. Activated charcoal, also known as "activated carbon" is made by burning hardwood, nutshells, coconut husks, animal cones and/or other carbonaceous materials. The charcoal becomes "activated" by heating it with steam to high temperature levels in the absence of oxygen. This removes any non-carbon elements and produces a porous internal microstructure with an extremely high surface area. A single gram of a high quality activated charcoal can have 400 - 2000 square maters of surface area, 98% of which is internal. This means 5 g of activated charcoal can have an adsorption surface area greater than a football field. The actual active surface area, characteristics and performance of a particular activated carbon source depends largely on the nature of the material it was manufactured from and the process by which it was "activated".

    It is this huge surface area of activated charcoal where the unwanted molecules are adsorbed and trapped. "Adsorption" means the impurities in the air are attached to the surface of the activated carbon by a chemical attraction. When certain chemicals pass next to the carbon surface they attach to the surface and are trapped. "Absorption" is incorporation into the carbon's structure through pores, this occurs before the process of adsorption. Activated carbon can adsorb an extremely wide spectrum of adsorbates. This is because activated carbon has different types and/or sizes of pores within it's internal structure.

    Activated carbon manufactured from coconut husk has one of the largest activated surface areas combined with a high percentage of micro pores in the size range 5 - 10 Ao (Angstoms), making it ideal for removal of odorous compounds, gases from volatile organic compounds (VOCs), and gases of a low molecular weight. Removal of gases originating from volatile organic compounds is important in many different situations, as these come from organic chemicals that have a high vapor pressure and easily form vapors at normal temperatures. Many industrial and consumer products ranging from office supplies, building materials and in particular many plants, trees and micro-organisms such as bacteria, produce volatile organic compounds and activated carbon is the most effective way of removing these from the air. For this reason activated charcoal manufactured from coconut husk is used in a wide range of air purification systems from fume hoods, respirators, gas masks, cooker hoods and air purifiers for indoor gardening. Where indoor air quality is being compromised by odors and gases from volatile organic compounds, air filtration with coconut husk activated carbon is the safest and most effective way of dealing with the problem.

    In a grow room situation, there may be unwanted odors, and gaseous organic compounds which are best removed, but where plants are grown, there is usually also the occasional use of pesticide products. Many of the pesticides we use, particularly in a confined space, can in fact remain in the air for over 48 hours, depending on the droplet size used during application. This poses a potential danger to anyone entering that area and often there is no evidence that the pesticide is still present as tiny droplets in the air. Activated charcoal air filters are extremely effective at adsorbing and deactivating air borne pesticide residues so that they can not be inhaled. Once the pesticide, or any odor or other gaseous molecules has been adsorbed onto the activated charcoal it is biologically inactive and held in place until the filter is changed and replaced.

    Since activated charcoal is no more than an amorphous form of carbon - meaning it has no regular atomic structure like the other forms of elemental carbon (diamond, graphite etc), it is completely safe to use and handle. The final thing to remember, that despite the huge adsorption capacity and surface area of coconut based activated carbon, eventually the material will need to be replaced, so always follow the manufactures recommendations on how often this should be carried out so that your growing environment stays clean and fresh smelling.

    This product was added to our catalog on Tuesday 18 November, 2003.
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