Filter Calculator

 

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 (click here for the European sizing table)

Neck/Tall Inches (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

EU Sizing Chart ONLY (click here for the US sizing chart)

EU Filter Size	Scrubbing Max m3/h	Filtering Min m3/h	Weight (kilos)	Scrubbing Max CFM	Filtering Min CFM
100 x 200	250	125	3.6	150	75
100 x 300	350	175	5	200	100
125 x 200	290	145	4.2	175	88
125 x 300	408	204	4.5	233	116
125 x 400	555	277	5.4	328	165
125 x 500	700	350	6.1	400	200
125 x 600	743	375	9	437	220
125 x 1000	1238	620	19.05	728	365
150 x 300	470	235	6.8	275	150
150 x 500	765	400	10.5	450	250
160 x 300	490	245	7	280	140
160 x 500	840	420	12	490	245
200 x 600	1000	500	15	600	300
250 x 600	1200	600	17	700	350
250 x 800	1800	900	19	1000	500
250 × 1200	2925	1460	33	1750	875
315 x 500	1500	750	21	885	440
315 x 600	1675	840	22	965	480
315 x 800	2325	1160	30	1370	685
315 x 1000	2975	1450	37	1775	890
315 x 1200	3900	1950	42	2300	1150