What Size Carbon Filter do I need
What Size Carbon Filter Do I Need?
Filter Calculator
Length (ft) |
Width (ft) |
Ceiling Height (ft) |
Total Cu. Ft. |
# of Lights | ||||
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X | X | = | + | |||||
Recommended CFM |
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Use the Filter Calculator above to find your recommended CFM, then find your correct filter size on the chart below. Pay attention to the two different columns, one for scrubbing air in a circle and the other for filtering air through a filter in a single pass.
US Sizing Table
Neck/TallInches (Metric) |
Weight |
Maximum Scrubbing CFM |
Maximum Scrubbing m3/hr |
Recommended Single Pass Filtering CFM |
Recommended Single Pass Filtering M3/hr |
4x8 (100x200) | 8 lbs 3.6 kilos | 150cfm | 250m3/hr | 75cfm | 125m3/hr |
4x12 (100x300) | 11 lbs 5 kilos | 200cfm | 350m3/hr | 100cfm | 175m3/hr |
4x20 (100x500) | 18 lbs 8.2 kilos | 350cfm | 600m3/hr | 175cfm | 300m3/hr |
6x12 (150x300) | 15 lbs 6.8 kilos | 275cfm | 470m3/hr | 150cfm | 235m3/hr |
6x16 (150x400) | 20 lbs 9 kilos | 375cfm | 635m3/hr | 200cfm | 325m3/hr |
6x20 (150x500) | 23 lbs 10.5kilos | 450cfm | 765m3/hr | 250cfm | 400m3/hr |
6x24 (150x600) | 27 lbs 12.25 kilos | 500cfm | 850m3/hr | 250cfm | 425m3/hr |
6x39 (150x1000) | 54 lbs 24.5 kilos | 800cfm | 1360m3/hr | 400cfm | 680m3/hr |
8x24 (200x600) | 33 lbs 15 kilos | 600cfm | 1000m3/hr | 300cfm | 500m3/hr |
8x39 (200x1000) | 50 lbs 22.7 kilos | 950cfm | 1800m3/hr | 475cfm | 900m3/hr |
10x24 (250x600) | 39 lbs 17.7 kilos | 700cfm | 1200m3/hr | 350cfm | 600m3/hr |
10x39 (250x1000) | 64 lbs 29 kilos | 1400cfm | 2350m3/hr | 700cfm | 1175m3/hr |
12x20 (300x500) | 40 lbs 18 kilos | 850cfm | 1450m3/hr | 425cfm | 725m3/hr |
12x24 (300x600) | 47 lbs 21.3 kilos | 925cfm | 1600m3/hr | 475cfm | 800m3/hr |
12x39 (300x1000) | 76 lbs 34.5 kilos | 1700cfm | 2850m3/hr | 850cfm | 1425m3/hr |
12x48 (300x1200) | 90lbs 40.8 kilos | 2200cfm | 3750m3/hr | 1100cfm | 1875m3/hr |
14x39 (350x1000) | 86 lbs 39 kilos | 2100cfm | 3550m3/hr | 1000 cfm | 1775m3/hr |
14x48 (350x1200) | 104 lbs 47 kilos | 2500cfm | 4250m3/hr | 1250cfm | 2125m3/hr |