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 | 104,649,803 |
| China | 76,834,798 |
| Netherlands | 50,353,036 |
| Italy | 46,761,255 |
| United States | 42,968,377 |
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 | 57,556,439 | 47,093,364 | -10,463,075 |
| China | 43,061,562 | 33,773,236 | -9,288,326 |
| Netherlands | 26,954,080 | 23,398,956 | -3,555,124 |
| Italy | 27,612,310 | 19,148,945 | -8,463,365 |
| United States | 26,388,191 | 16,580,186 | -9,808,005 |
| France | 17,278,914 | 20,091,393 | +2,812,479 |
| Switzerland | 10,656,983 | 13,064,218 | +2,407,235 |
| Belgium | 11,058,888 | 8,634,754 | -2,424,134 |
| Denmark | 9,426,571 | 9,422,244 | -4,327 |
| Spain | 6,404,459 | 4,938,543 | -1,465,916 |
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 | 91,002,530 |
| China | 86,715,913 |
| Italy | 57,019,210 |
| United States | 44,068,277 |
| Netherlands | 35,746,646 |
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 | 49,809,587 | 41,192,943 | -8,616,644 |
| China | 46,560,213 | 40,155,700 | -6,404,513 |
| Italy | 31,844,787 | 25,174,423 | -6,670,364 |
| United States | 25,624,170 | 18,444,107 | -7,180,063 |
| Netherlands | 18,654,032 | 17,092,614 | -1,561,418 |
| Switzerland | 12,175,228 | 13,835,231 | +1,660,003 |
| France | 11,943,831 | 10,362,410 | -1,581,421 |
| Australia | 11,705,864 | 792,611 | -10,913,253 |
| United Kingdom | 6,585,218 | 5,531,304 | -1,053,914 |
| Spain | 5,754,565 | 5,738,972 | -15,593 |
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 | 109 |
| Inner London - West | 86 |
| Surrey, East and West Sussex | 74 |
| Hampshire and Isle of Wight | 73 |
| Bedfordshire and Hertfordshire | 65 |
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 | 80 | 79 | -1 |
| Inner London - West | 54 | 57 | +3 |
| Surrey, East and West Sussex | 57 | 57 | +0 |
| Hampshire and Isle of Wight | 49 | 53 | +4 |
| Bedfordshire and Hertfordshire | 45 | 51 | +6 |
| Leicestershire, Rutland and Northamptonshire | 42 | 41 | -1 |
| Greater Manchester | 42 | 43 | +1 |
| West Midlands | 45 | 40 | -5 |
| West Yorkshire | 35 | 31 | -4 |
| Herefordshire, Worcestershire and Warwickshire | 29 | 34 | +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) | 287,829,630 |
| Sea transport (not vehicle on ferry) | 166,461,632 |
| Air transport | 72,486,262 |
| Other | 12,575,934 |
| Road transport | 11,438,752 |
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) | 159,253,891 | 128,575,739 | -30,678,152 |
| Sea transport (not vehicle on ferry) | 95,958,599 | 70,503,033 | -25,455,566 |
| Air transport | 40,120,942 | 32,365,320 | -7,755,622 |
| Other | 6,396,942 | 6,178,992 | -217,950 |
| Road transport | 3,218,567 | 8,220,185 | +5,001,618 |
Import volume by port
What this shows: Import value handled by each UK port.
Top 5 values
| Port | £ |
|---|---|
| Dover | 111,463,132 |
| Felixstowe | 71,111,645 |
| Southampton | 42,178,142 |
| Eurotunnel | 36,425,327 |
| Immingham Docks | 35,161,981 |
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 | 66,419,127 | 45,044,005 | -21,375,122 |
| Felixstowe | 39,027,078 | 32,084,567 | -6,942,511 |
| Southampton | 23,930,826 | 18,247,316 | -5,683,510 |
| Eurotunnel | 19,784,601 | 16,640,726 | -3,143,875 |
| Immingham Docks | 17,820,554 | 17,341,427 | -479,127 |
| London Gateway Port | 19,094,956 | 10,669,137 | -8,425,819 |
| Dover / Eurotunnel | 9,066,347 | 20,042,757 | +10,976,410 |
| London Heathrow Airport | 16,429,996 | 11,895,576 | -4,534,420 |
| London | 12,740,020 | 10,516,852 | -2,223,168 |
| ZLC | 9,384,514 | 12,054,127 | +2,669,613 |
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 | 394 |
| Retail trade, except of motor vehicles and motorcycles | 174 |
| Manufacture of machinery and equipment n.e.c. | 110 |
| Other manufacturing | 98 |
| Office administrative, office support and other business support activities | 91 |
Importer companies over time
What this shows: Monthly count of unique importing companies.
Latest 5
| Month | Companies |
|---|---|
| 2026-01 | 278 |
| 2025-11 | 282 |
| 2025-10 | 310 |
| 2025-09 | 279 |
| 2025-08 | 293 |
Top importers
What this shows: Companies with the highest number of months traded for this HS code.
| Company | Months traded |
|---|---|
| VWS (UK) LTD | 120 |
| ROLF C. HAGEN (U.K.) LIMITED | 120 |
| AQUA PACIFIC (UK) LIMITED | 119 |
| STRIX LTD | 119 |
| WATERCO (EUROPE) LIMITED | 116 |
| CERTIKIN INTERNATIONAL LIMITED | 114 |
| CIRCON LIMITED | 110 |
| HOZELOCK LIMITED | 99 |
| SAMSUNG ELECTRONICS (UK) LIMITED | 98 |
| GREG ROWE LIMITED | 97 |
Importer company size by revenue band
What this shows: Distribution of importers across company revenue bands.
Top 5 values
| Revenue | Companies |
|---|---|
| 1m-15m | 600 |
| 54m+ | 492 |
| 0-1m | 192 |
| 15m-54m | 159 |
| Other | 108 |
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 | 64,413,485 |
| Belgium | 46,948,766 |
| Germany | 40,896,875 |
| France | 36,493,293 |
| Ireland | 22,660,290 |
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 | 36,456,020 | 27,957,465 | -8,498,555 |
| Belgium | 23,059,071 | 23,889,695 | +830,624 |
| Germany | 23,707,650 | 17,189,225 | -6,518,425 |
| France | 18,854,056 | 17,639,237 | -1,214,819 |
| Ireland | 13,485,222 | 9,175,068 | -4,310,154 |
| Netherlands | 9,971,572 | 9,222,174 | -749,398 |
| Italy | 7,289,565 | 8,464,921 | +1,175,356 |
| Norway | 10,797,839 | 1,385,937 | -9,411,902 |
| Spain | 5,428,933 | 4,999,588 | -429,345 |
| Australia | 4,808,491 | 3,675,005 | -1,133,486 |
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 | 995,441 |
| Germany | 125,044 |
| Italy | 82,794 |
| Poland | 69,716 |
| Malaysia | 29,463 |
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 | 662,300 | 333,141 | -329,159 |
| Germany | 45,725 | 79,319 | +33,594 |
| Italy | 45,628 | 37,166 | -8,462 |
| Poland | 35,979 | 33,737 | -2,242 |
| Malaysia | 5,249 | 24,214 | +18,965 |
| China | 14,268 | 7,888 | -6,380 |
| Ireland | 7,066 | 12,288 | +5,222 |
| Malta | 18,269 | 0 | -18,269 |
| Switzerland | 99 | 16,952 | +16,853 |
| United States | 6,981 | 7,453 | +472 |
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) | 210,088,356 |
| Sea transport (not vehicle on ferry) | 106,838,233 |
| Air transport | 76,434,723 |
| Other | 6,658,840 |
| Road transport | 74,904 |
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) | 112,445,229 | 97,643,127 | -14,802,102 |
| Sea transport (not vehicle on ferry) | 71,916,882 | 34,921,351 | -36,995,531 |
| Air transport | 35,393,362 | 41,041,361 | +5,647,999 |
| Other | 3,897,884 | 2,760,956 | -1,136,928 |
| Road transport | 31,057 | 43,847 | +12,790 |
Export volume by port
What this shows: Export value handled by each UK port.
Top 5 values
| Port | £ |
|---|---|
| Dover / Eurotunnel | 125,467,242 |
| London Heathrow Airport | 47,707,135 |
| Southampton | 33,535,500 |
| London Gateway Port | 33,493,067 |
| Immingham Docks | 20,170,336 |
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 | 66,368,088 | 59,099,154 | -7,268,934 |
| London Heathrow Airport | 19,676,583 | 28,030,552 | +8,353,969 |
| Southampton | 19,438,185 | 14,097,315 | -5,340,870 |
| London Gateway Port | 21,865,412 | 11,627,655 | -10,237,757 |
| Immingham Docks | 12,760,032 | 7,410,304 | -5,349,728 |
| Dover | 9,676,773 | 7,856,998 | -1,819,775 |
| Liverpool Docks | 10,719,559 | 4,967,617 | -5,751,942 |
| London | 5,244,750 | 7,625,902 | +2,381,152 |
| East Midlands Airport | 6,011,050 | 5,663,948 | -347,102 |
| Harwich | 7,993,412 | 3,517,533 | -4,475,879 |
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