Import/export HS code 842121: Water filters
Machines that clean or purify water by removing impurities
Why this is important if you are looking for potential customers in the UK:
- It helps you understand the market size for your product in the UK.
- It provides you with a list of potential leads who have bought similar products.
* UK only, last 24 months analysed
Imports by country
What this shows: Import market volume by exporter country into the UK.
Top 5 values
| Country | £ |
|---|---|
| Germany | 112,122,736 |
| China | 85,192,410 |
| Netherlands | 51,761,807 |
| Italy | 50,787,745 |
| United States | 42,321,527 |
Countries rank shift: first 12 months vs second 12 months
What this shows: Countries are on both sides of the Sankey. Left side is sorted by first 12-month volume, right side by second 12-month volume, so rank changes are visible from line crossings.
Top 10 values
| Country | First 12m £ | Second 12m £ | Delta £ |
|---|---|---|---|
| Germany | 53,507,968 | 58,614,768 | +5,106,800 |
| China | 46,148,319 | 39,044,091 | -7,104,228 |
| Netherlands | 28,042,585 | 23,719,222 | -4,323,363 |
| Italy | 24,876,296 | 25,911,449 | +1,035,153 |
| United States | 23,920,698 | 18,400,829 | -5,519,869 |
| France | 20,618,115 | 18,549,950 | -2,068,165 |
| Switzerland | 10,526,035 | 12,182,235 | +1,656,200 |
| Belgium | 12,240,603 | 9,076,452 | -3,164,151 |
| Denmark | 9,622,905 | 10,000,814 | +377,909 |
| Spain | 6,501,162 | 7,609,697 | +1,108,535 |
Imports by country of origin
What this shows: Import volume by production origin country. Differences from exporter-country data can indicate re-export routes.
Top 5 values
| Origin | £ |
|---|---|
| Germany | 95,735,712 |
| China | 95,349,805 |
| Italy | 64,333,167 |
| United States | 43,538,269 |
| Netherlands | 37,325,247 |
Country of origin rank shift: first 12 months vs second 12 months
What this shows: Origin countries are on both sides of the Sankey. Left side is sorted by first 12-month import value, right side by second 12-month import value, so rank changes are visible from line crossings.
Top 10 values
| Origin | First 12m £ | Second 12m £ | Delta £ |
|---|---|---|---|
| Germany | 47,536,086 | 48,199,626 | +663,540 |
| China | 49,084,961 | 46,264,844 | -2,820,117 |
| Italy | 30,872,351 | 33,460,816 | +2,588,465 |
| United States | 23,255,310 | 20,282,959 | -2,972,351 |
| Netherlands | 18,617,245 | 18,708,002 | +90,757 |
| Switzerland | 12,063,704 | 12,214,488 | +150,784 |
| France | 11,985,047 | 10,478,159 | -1,506,888 |
| Spain | 6,162,309 | 8,751,431 | +2,589,122 |
| South Korea | 5,800,835 | 8,183,411 | +2,382,576 |
| Poland | 5,375,201 | 5,985,380 | +610,179 |
Importers across UK regions
What this shows: Number of importing companies by UK ITL2 region.
Top 5 values
| UK region | Companies |
|---|---|
| Berkshire, Buckinghamshire and Oxfordshire | 114 |
| Inner London - West | 92 |
| Surrey, East and West Sussex | 76 |
| Hampshire and Isle of Wight | 72 |
| Greater Manchester | 69 |
UK regions rank shift: first 12 months vs second 12 months
What this shows: UK regions are on both sides of the Sankey. Left side is sorted by first 12-month importer count, right side by second 12-month importer count, so rank changes are visible from line crossings.
Top 10 values
| UK region | First 12m | Second 12m | Delta |
|---|---|---|---|
| Berkshire, Buckinghamshire and Oxfordshire | 77 | 91 | +14 |
| Inner London - West | 52 | 63 | +11 |
| Surrey, East and West Sussex | 60 | 61 | +1 |
| Hampshire and Isle of Wight | 55 | 49 | -6 |
| Greater Manchester | 40 | 55 | +15 |
| Bedfordshire and Hertfordshire | 53 | 47 | -6 |
| West Midlands | 49 | 38 | -11 |
| Leicestershire, Rutland and Northamptonshire | 43 | 39 | -4 |
| West Yorkshire | 37 | 32 | -5 |
| Derbyshire and Nottinghamshire | 35 | 45 | +10 |
Import volume by transport
What this shows: Import value by transport mode used to bring goods into the UK.
Top 5 values
| Transport | £ |
|---|---|
| Roll on Roll off (RORO) | 297,487,873 |
| Sea transport (not vehicle on ferry) | 173,031,722 |
| Air transport | 76,488,608 |
| Other | 12,973,717 |
| Road transport | 11,952,550 |
Transport rank shift: first 12 months vs second 12 months
What this shows: Transport modes are on both sides of the Sankey. Left side is sorted by first 12-month import value, right side by second 12-month import value, so rank changes are visible from line crossings.
Top 10 values
| Transport | First 12m £ | Second 12m £ | Delta £ |
|---|---|---|---|
| Roll on Roll off (RORO) | 151,276,444 | 146,211,429 | -5,065,015 |
| Sea transport (not vehicle on ferry) | 91,360,455 | 81,671,267 | -9,689,188 |
| Air transport | 40,192,181 | 36,296,427 | -3,895,754 |
| Other | 6,792,091 | 6,181,626 | -610,465 |
| Road transport | 7,753,110 | 4,199,440 | -3,553,670 |
Import volume by port
What this shows: Import value handled by each UK port.
Top 5 values
| Port | £ |
|---|---|
| Dover | 118,224,555 |
| Felixstowe | 72,531,826 |
| Southampton | 45,405,640 |
| Eurotunnel | 37,417,906 |
| Immingham Docks | 36,670,751 |
Port rank shift: first 12 months vs second 12 months
What this shows: Ports are on both sides of the Sankey. Left side is sorted by first 12-month import value, right side by second 12-month import value, so rank changes are visible from line crossings.
Top 10 values
| Port | First 12m £ | Second 12m £ | Delta £ |
|---|---|---|---|
| Dover | 63,746,033 | 54,478,522 | -9,267,511 |
| Felixstowe | 37,453,099 | 35,078,727 | -2,374,372 |
| Southampton | 23,034,104 | 22,371,536 | -662,568 |
| Eurotunnel | 19,190,891 | 18,227,015 | -963,876 |
| Immingham Docks | 16,785,782 | 19,884,969 | +3,099,187 |
| Dover / Eurotunnel | 14,025,365 | 19,848,414 | +5,823,049 |
| London Gateway Port | 17,685,602 | 13,021,132 | -4,664,470 |
| London Heathrow Airport | 15,866,420 | 12,542,335 | -3,324,085 |
| London | 12,873,042 | 11,764,380 | -1,108,662 |
| Harwich | 12,915,597 | 8,213,312 | -4,702,285 |
Importer companies by SIC division
What this shows: Industry breakdown (SIC divisions) of importing companies.
Top 5 values
| SIC | Companies |
|---|---|
|
Wholesale trade, except of motor vehicles and motorcycles
|
399 |
|
Retail trade, except of motor vehicles and motorcycles
|
185 |
|
Manufacture of machinery and equipment n.e.c.
|
117 |
|
Other manufacturing
|
102 |
|
Office administrative, office support and other business support activities
|
99 |
Importer companies over time
What this shows: Monthly count of unique importing companies.
Latest 5
| Month | Companies |
|---|---|
| 2026-05 | 307 |
| 2026-04 | 321 |
| 2026-03 | 342 |
| 2026-02 | 334 |
| 2026-01 | 278 |
Top importers
What this shows: Companies with the highest number of months traded for this HS code.
| Company | Months traded |
|---|---|
| VWS (UK) LTD | 125 |
| ROLF C. HAGEN (U.K.) LIMITED | 125 |
| AQUA PACIFIC (UK) LIMITED | 124 |
| STRIX LTD | 124 |
| WATERCO (EUROPE) LIMITED | 121 |
| CERTIKIN INTERNATIONAL LIMITED | 119 |
| CIRCON LIMITED | 115 |
| HOZELOCK LIMITED | 102 |
| SAMSUNG ELECTRONICS (UK) LIMITED | 102 |
| GREG ROWE LIMITED | 101 |
Importer company size by revenue band
What this shows: Distribution of importers across company revenue bands.
Top 5 values
| Revenue | Companies |
|---|---|
| 1m-15m | 625 |
| 54m+ | 505 |
| 0-1m | 200 |
| 15m-54m | 162 |
| Other | 116 |
Import seasonality
What this shows: Average monthly import pattern from historical data.
Exports by country
What this shows: Export market volume by destination country from the UK.
Top 5 values
| Country | £ |
|---|---|
| United States | 65,411,544 |
| Belgium | 47,159,430 |
| Germany | 37,951,142 |
| France | 37,195,220 |
| Ireland | 24,308,047 |
Export countries rank shift: first 12 months vs second 12 months
What this shows: Destination countries are on both sides of the Sankey. Left side is sorted by first 12-month export volume, right side by second 12-month export volume, so rank changes are visible from line crossings.
Top 10 values
| Country | First 12m £ | Second 12m £ | Delta £ |
|---|---|---|---|
| United States | 34,961,399 | 30,450,145 | -4,511,254 |
| Belgium | 25,839,258 | 21,320,172 | -4,519,086 |
| Germany | 19,645,390 | 18,305,752 | -1,339,638 |
| France | 20,480,031 | 16,715,189 | -3,764,842 |
| Ireland | 13,652,077 | 10,655,970 | -2,996,107 |
| Netherlands | 10,538,560 | 9,603,314 | -935,246 |
| Italy | 8,591,061 | 9,277,342 | +686,281 |
| Spain | 6,279,096 | 6,017,042 | -262,054 |
| Norway | 7,433,171 | 2,386,192 | -5,046,979 |
| Australia | 3,835,351 | 4,291,310 | +455,959 |
Exports by country of origin
What this shows: Export volume by production origin country. For re-exports, indicates where goods originated before UK export.
Top 5 values
| Origin | £ |
|---|---|
| XI | 1,124,739 |
| Germany | 138,043 |
| Italy | 99,162 |
| Poland | 68,832 |
| Malaysia | 38,821 |
Export origin countries rank shift: first 12 months vs second 12 months
What this shows: Origin countries are on both sides of the Sankey. Left side is sorted by first 12-month export value, right side by second 12-month export value, so rank changes are visible from line crossings.
Top 10 values
| Origin | First 12m £ | Second 12m £ | Delta £ |
|---|---|---|---|
| XI | 569,567 | 555,172 | -14,395 |
| Germany | 95,912 | 42,131 | -53,781 |
| Italy | 43,995 | 55,167 | +11,172 |
| Poland | 35,016 | 33,816 | -1,200 |
| Malaysia | 12,382 | 26,439 | +14,057 |
| China | 13,662 | 9,080 | -4,582 |
| Ireland | 17,261 | 3,871 | -13,390 |
| Malta | 18,269 | 0 | -18,269 |
| Switzerland | 59 | 16,912 | +16,853 |
| United States | 7,769 | 8,768 | +999 |
Export volume by transport
What this shows: Export value by transport mode used to ship goods from the UK.
Top 5 values
| Transport | £ |
|---|---|
| Roll on Roll off (RORO) | 217,073,183 |
| Sea transport (not vehicle on ferry) | 95,732,133 |
| Air transport | 81,487,129 |
| Other | 6,641,734 |
| Road transport | 50,677 |
Export transport rank shift: first 12 months vs second 12 months
What this shows: Transport modes are on both sides of the Sankey. Left side is sorted by first 12-month export value, right side by second 12-month export value, so rank changes are visible from line crossings.
Top 10 values
| Transport | First 12m £ | Second 12m £ | Delta £ |
|---|---|---|---|
| Roll on Roll off (RORO) | 117,519,356 | 99,553,827 | -17,965,529 |
| Sea transport (not vehicle on ferry) | 59,047,035 | 36,685,098 | -22,361,937 |
| Air transport | 41,986,397 | 39,500,732 | -2,485,665 |
| Other | 3,511,840 | 3,129,894 | -381,946 |
| Road transport | 6,830 | 43,847 | +37,017 |
Export volume by port
What this shows: Export value handled by each UK port.
Top 5 values
| Port | £ |
|---|---|
| Dover / Eurotunnel | 130,772,455 |
| London Heathrow Airport | 53,138,164 |
| Southampton | 33,978,243 |
| London Gateway Port | 27,734,636 |
| Immingham Docks | 19,986,644 |
Export port rank shift: first 12 months vs second 12 months
What this shows: Ports are on both sides of the Sankey. Left side is sorted by first 12-month export value, right side by second 12-month export value, so rank changes are visible from line crossings.
Top 10 values
| Port | First 12m £ | Second 12m £ | Delta £ |
|---|---|---|---|
| Dover / Eurotunnel | 69,064,714 | 61,707,741 | -7,356,973 |
| London Heathrow Airport | 26,465,378 | 26,672,786 | +207,408 |
| Southampton | 19,196,658 | 14,781,585 | -4,415,073 |
| London Gateway Port | 18,194,936 | 9,539,700 | -8,655,236 |
| Immingham Docks | 11,027,114 | 8,959,530 | -2,067,584 |
| Liverpool Docks | 8,681,166 | 5,732,915 | -2,948,251 |
| Dover | 10,175,112 | 3,686,486 | -6,488,626 |
| London | 4,463,604 | 8,298,637 | +3,835,033 |
| Felixstowe | 6,761,763 | 5,807,365 | -954,398 |
| East Midlands Airport | 6,280,400 | 6,118,832 | -161,568 |
Quick facts
HS code: 842121
Coverage: United Kingdom, most metrics for the last 24 months
Description: Machines that clean or purify water by removing impurities