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 | 114,358,524 |
| China | 88,515,291 |
| Netherlands | 55,064,250 |
| Italy | 54,734,832 |
| United States | 46,301,813 |
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 | 52,909,288 | 61,449,236 | +8,539,948 |
| China | 44,969,072 | 43,546,219 | -1,422,853 |
| Netherlands | 28,836,086 | 26,228,164 | -2,607,922 |
| Italy | 27,143,328 | 27,591,504 | +448,176 |
| United States | 25,453,893 | 20,847,920 | -4,605,973 |
| France | 19,462,455 | 21,755,066 | +2,292,611 |
| Switzerland | 7,612,521 | 15,424,015 | +7,811,494 |
| Belgium | 11,024,283 | 11,171,306 | +147,023 |
| Denmark | 9,532,118 | 10,504,275 | +972,157 |
| Spain | 6,488,361 | 6,806,945 | +318,584 |
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 | 99,229,806 |
| China | 99,197,114 |
| Italy | 68,148,470 |
| United States | 47,910,014 |
| Netherlands | 38,908,180 |
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 | 48,209,384 | 51,020,422 | +2,811,038 |
| China | 48,443,220 | 50,753,894 | +2,310,674 |
| Italy | 31,636,799 | 36,511,671 | +4,874,872 |
| United States | 24,799,177 | 23,110,837 | -1,688,340 |
| Netherlands | 19,943,825 | 18,964,355 | -979,470 |
| Switzerland | 9,112,905 | 16,032,952 | +6,920,047 |
| France | 12,198,551 | 11,886,047 | -312,504 |
| Spain | 5,927,922 | 7,847,502 | +1,919,580 |
| South Korea | 5,698,880 | 7,630,954 | +1,932,074 |
| Poland | 5,540,496 | 6,403,660 | +863,164 |
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 | 116 |
| Inner London - West | 92 |
| Surrey, East and West Sussex | 77 |
| Hampshire and Isle of Wight | 72 |
| Greater Manchester | 68 |
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 | 89 | +12 |
| Inner London - West | 52 | 66 | +14 |
| Surrey, East and West Sussex | 58 | 61 | +3 |
| Hampshire and Isle of Wight | 50 | 53 | +3 |
| Greater Manchester | 40 | 54 | +14 |
| Leicestershire, Rutland and Northamptonshire | 46 | 41 | -5 |
| West Midlands | 44 | 43 | -1 |
| Bedfordshire and Hertfordshire | 49 | 47 | -2 |
| West Yorkshire | 33 | 37 | +4 |
| Derbyshire and Nottinghamshire | 38 | 43 | +5 |
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) | 315,706,289 |
| Sea transport (not vehicle on ferry) | 182,258,848 |
| Air transport | 80,527,788 |
| Other | 13,422,122 |
| Road transport | 11,573,387 |
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) | 156,628,487 | 159,077,802 | +2,449,315 |
| Sea transport (not vehicle on ferry) | 94,050,286 | 88,208,562 | -5,841,724 |
| Air transport | 41,264,952 | 39,262,836 | -2,002,116 |
| Other | 6,197,055 | 7,225,067 | +1,028,012 |
| Road transport | 3,832,578 | 7,740,809 | +3,908,231 |
Import volume by port
What this shows: Import value handled by each UK port.
Top 5 values
| Port | £ |
|---|---|
| Dover | 125,093,655 |
| Felixstowe | 79,124,209 |
| Southampton | 47,478,256 |
| Immingham Docks | 38,747,535 |
| Eurotunnel | 38,710,793 |
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 | 65,812,457 | 59,281,198 | -6,531,259 |
| Felixstowe | 40,798,502 | 38,325,707 | -2,472,795 |
| Southampton | 23,552,756 | 23,925,500 | +372,744 |
| Immingham Docks | 17,667,731 | 21,079,804 | +3,412,073 |
| Eurotunnel | 18,683,882 | 20,026,911 | +1,343,029 |
| Dover / Eurotunnel | 11,377,073 | 22,295,152 | +10,918,079 |
| London Gateway Port | 18,342,488 | 13,413,625 | -4,928,863 |
| London Heathrow Airport | 16,804,942 | 14,024,679 | -2,780,263 |
| London | 12,558,129 | 13,034,067 | +475,938 |
| Harwich | 12,358,718 | 9,187,878 | -3,170,840 |
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 | 409 |
| Retail trade, except of motor vehicles and motorcycles | 192 |
| Manufacture of machinery and equipment n.e.c. | 119 |
| Other manufacturing | 104 |
| 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 |
|---|---|
| 2026-04 | 320 |
| 2026-03 | 342 |
| 2026-02 | 334 |
| 2026-01 | 278 |
| 2025-12 | 295 |
Top importers
What this shows: Companies with the highest number of months traded for this HS code.
| Company | Months traded |
|---|---|
| VWS (UK) LTD | 124 |
| ROLF C. HAGEN (U.K.) LIMITED | 124 |
| AQUA PACIFIC (UK) LIMITED | 123 |
| STRIX LTD | 123 |
| WATERCO (EUROPE) LIMITED | 120 |
| CERTIKIN INTERNATIONAL LIMITED | 118 |
| CIRCON LIMITED | 114 |
| HOZELOCK LIMITED | 102 |
| SAMSUNG ELECTRONICS (UK) LIMITED | 102 |
| GREG ROWE LIMITED | 100 |
Importer company size by revenue band
What this shows: Distribution of importers across company revenue bands.
Top 5 values
| Revenue | Companies |
|---|---|
| 1m-15m | 644 |
| 54m+ | 516 |
| 0-1m | 208 |
| 15m-54m | 165 |
| 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 | 69,907,390 |
| Belgium | 49,478,069 |
| Germany | 41,566,508 |
| France | 38,962,418 |
| Ireland | 24,373,105 |
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 | 36,482,397 | 33,424,993 | -3,057,404 |
| Belgium | 24,899,147 | 24,578,922 | -320,225 |
| Germany | 22,114,778 | 19,451,730 | -2,663,048 |
| France | 19,106,259 | 19,856,159 | +749,900 |
| Ireland | 12,635,247 | 11,737,858 | -897,389 |
| Netherlands | 9,811,948 | 10,983,308 | +1,171,360 |
| Italy | 7,992,860 | 10,229,150 | +2,236,290 |
| Spain | 5,958,613 | 6,468,306 | +509,693 |
| Norway | 8,896,060 | 1,517,295 | -7,378,765 |
| Australia | 4,824,347 | 4,268,894 | -555,453 |
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 | 1,280,312 |
| Germany | 135,018 |
| Italy | 95,518 |
| Poland | 69,648 |
| Malaysia | 35,395 |
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 | 673,565 | 606,747 | -66,818 |
| Germany | 91,226 | 43,792 | -47,434 |
| Italy | 44,479 | 51,039 | +6,560 |
| Poland | 31,624 | 38,024 | +6,400 |
| Malaysia | 7,985 | 27,410 | +19,425 |
| China | 12,761 | 11,297 | -1,464 |
| Ireland | 17,087 | 3,913 | -13,174 |
| Malta | 18,269 | 0 | -18,269 |
| Switzerland | 59 | 16,952 | +16,893 |
| United States | 7,414 | 8,963 | +1,549 |
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) | 226,137,502 |
| Sea transport (not vehicle on ferry) | 105,559,506 |
| Air transport | 85,145,212 |
| Other | 7,009,843 |
| Road transport | 56,373 |
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) | 115,029,731 | 111,107,771 | -3,921,960 |
| Sea transport (not vehicle on ferry) | 65,853,226 | 39,706,280 | -26,146,946 |
| Air transport | 36,469,105 | 48,676,107 | +12,207,002 |
| Other | 3,533,540 | 3,476,303 | -57,237 |
| Road transport | 12,526 | 43,847 | +31,321 |
Export volume by port
What this shows: Export value handled by each UK port.
Top 5 values
| Port | £ |
|---|---|
| Dover / Eurotunnel | 135,968,467 |
| London Heathrow Airport | 54,526,856 |
| Southampton | 36,839,885 |
| London Gateway Port | 30,872,486 |
| Immingham Docks | 20,879,461 |
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 | 66,831,315 | 69,137,152 | +2,305,837 |
| London Heathrow Airport | 19,916,196 | 34,610,660 | +14,694,464 |
| Southampton | 20,232,819 | 16,607,066 | -3,625,753 |
| London Gateway Port | 19,959,137 | 10,913,349 | -9,045,788 |
| Immingham Docks | 12,528,481 | 8,350,980 | -4,177,501 |
| Dover | 9,475,171 | 6,329,673 | -3,145,498 |
| Liverpool Docks | 9,441,167 | 5,933,555 | -3,507,612 |
| London | 5,411,482 | 8,643,619 | +3,232,137 |
| East Midlands Airport | 6,430,198 | 6,465,993 | +35,795 |
| Felixstowe | 7,232,813 | 5,436,119 | -1,796,694 |
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