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 | 109,097,190 |
| China | 78,195,817 |
| Netherlands | 52,170,687 |
| Italy | 48,202,385 |
| United States | 45,223,985 |
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 | 59,559,088 | 49,538,102 | -10,020,986 |
| China | 37,845,280 | 40,350,537 | +2,505,257 |
| Netherlands | 26,761,486 | 25,409,201 | -1,352,285 |
| Italy | 28,089,197 | 20,113,188 | -7,976,009 |
| United States | 27,582,847 | 17,641,138 | -9,941,709 |
| France | 17,020,462 | 21,299,190 | +4,278,728 |
| Switzerland | 11,561,328 | 12,719,923 | +1,158,595 |
| Belgium | 10,676,296 | 10,175,607 | -500,689 |
| Denmark | 8,875,124 | 10,274,611 | +1,399,487 |
| Spain | 8,391,425 | 5,185,880 | -3,205,545 |
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 | 96,367,935 |
| China | 88,894,880 |
| Italy | 57,920,370 |
| United States | 46,145,517 |
| Netherlands | 36,946,642 |
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 | 52,818,893 | 43,549,042 | -9,269,851 |
| China | 42,744,582 | 46,150,298 | +3,405,716 |
| Italy | 31,622,025 | 26,298,345 | -5,323,680 |
| United States | 26,554,900 | 19,590,617 | -6,964,283 |
| Netherlands | 18,432,304 | 18,514,338 | +82,034 |
| Switzerland | 13,191,908 | 13,730,506 | +538,598 |
| France | 11,677,593 | 11,265,799 | -411,794 |
| Australia | 10,934,373 | 2,712,833 | -8,221,540 |
| Spain | 7,700,373 | 5,713,522 | -1,986,851 |
| United Kingdom | 6,529,949 | 6,097,653 | -432,296 |
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 | 87 |
| Surrey, East and West Sussex | 78 |
| Hampshire and Isle of Wight | 71 |
| Bedfordshire and Hertfordshire | 66 |
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 | 83 | 78 | -5 |
| Inner London - West | 57 | 56 | -1 |
| Surrey, East and West Sussex | 59 | 62 | +3 |
| Hampshire and Isle of Wight | 44 | 53 | +9 |
| Bedfordshire and Hertfordshire | 44 | 53 | +9 |
| Leicestershire, Rutland and Northamptonshire | 43 | 44 | +1 |
| Greater Manchester | 44 | 47 | +3 |
| West Midlands | 44 | 40 | -4 |
| West Yorkshire | 33 | 32 | -1 |
| Herefordshire, Worcestershire and Warwickshire | 31 | 32 | +1 |
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) | 302,015,757 |
| Sea transport (not vehicle on ferry) | 172,152,579 |
| Air transport | 74,700,146 |
| Other | 12,611,614 |
| Road transport | 11,473,649 |
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) | 164,281,465 | 137,734,292 | -26,547,173 |
| Sea transport (not vehicle on ferry) | 91,615,592 | 80,536,987 | -11,078,605 |
| Air transport | 38,762,951 | 35,937,195 | -2,825,756 |
| Other | 5,882,029 | 6,729,585 | +847,556 |
| Road transport | 3,191,248 | 8,282,401 | +5,091,153 |
Import volume by port
What this shows: Import value handled by each UK port.
Top 5 values
| Port | £ |
|---|---|
| Dover | 117,298,165 |
| Felixstowe | 74,214,508 |
| Southampton | 41,760,688 |
| Immingham Docks | 38,467,387 |
| Eurotunnel | 37,848,506 |
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 | 68,478,232 | 48,819,933 | -19,658,299 |
| Felixstowe | 36,694,489 | 37,520,019 | +825,530 |
| Southampton | 21,239,385 | 20,521,303 | -718,082 |
| Immingham Docks | 19,892,334 | 18,575,053 | -1,317,281 |
| Eurotunnel | 19,802,329 | 18,046,177 | -1,756,152 |
| London Gateway Port | 19,287,374 | 12,402,050 | -6,885,324 |
| London Heathrow Airport | 15,517,028 | 13,790,261 | -1,726,767 |
| Dover / Eurotunnel | 7,228,140 | 20,638,228 | +13,410,088 |
| London | 12,874,760 | 10,999,552 | -1,875,208 |
| ZLC | 10,376,652 | 11,737,389 | +1,360,737 |
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 | 175 |
| Manufacture of machinery and equipment n.e.c. | 107 |
| Other manufacturing | 99 |
| Office administrative, office support and other business support activities | 93 |
Importer companies over time
What this shows: Monthly count of unique importing companies.
Latest 5
| Month | Companies |
|---|---|
| 2025-11 | 282 |
| 2025-10 | 310 |
| 2025-09 | 280 |
| 2025-08 | 293 |
| 2025-07 | 324 |
Top importers
What this shows: Companies with the highest number of months traded for this HS code.
| Company | Months traded |
|---|---|
| VWS (UK) LTD | 119 |
| ROLF C. HAGEN (U.K.) LIMITED | 119 |
| AQUA PACIFIC (UK) LIMITED | 118 |
| STRIX LTD | 118 |
| WATERCO (EUROPE) LIMITED | 115 |
| CERTIKIN INTERNATIONAL LIMITED | 113 |
| CIRCON LIMITED | 109 |
| HOZELOCK LIMITED | 98 |
| 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 | 620 |
| 54m+ | 493 |
| 0-1m | 196 |
| 15m-54m | 157 |
| Other | 113 |
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 | 65,917,178 |
| Belgium | 49,173,707 |
| Germany | 44,515,578 |
| France | 38,701,973 |
| Ireland | 23,686,592 |
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 | 36,247,006 | 29,670,172 | -6,576,834 |
| Belgium | 23,051,168 | 26,122,539 | +3,071,371 |
| Germany | 25,485,941 | 19,029,637 | -6,456,304 |
| France | 19,521,644 | 19,180,329 | -341,315 |
| Ireland | 13,632,931 | 10,053,661 | -3,579,270 |
| Netherlands | 10,180,929 | 9,376,575 | -804,354 |
| Italy | 6,165,766 | 9,467,100 | +3,301,334 |
| Norway | 10,962,697 | 1,621,937 | -9,340,760 |
| Spain | 5,152,819 | 5,536,062 | +383,243 |
| Australia | 4,776,870 | 3,961,377 | -815,493 |
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 | £ |
|---|---|
| XU | 5,448,992 |
| XI | 997,592 |
| Germany | 133,748 |
| Italy | 81,014 |
| Poland | 71,592 |
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 £ |
|---|---|---|---|
| XU | 2,979,678 | 2,469,314 | -510,364 |
| XI | 665,991 | 331,601 | -334,390 |
| Germany | 44,720 | 89,028 | +44,308 |
| Italy | 43,173 | 37,841 | -5,332 |
| Poland | 34,586 | 37,006 | +2,420 |
| Malaysia | 4,190 | 21,989 | +17,799 |
| China | 11,595 | 11,499 | -96 |
| Ireland | 8,085 | 12,307 | +4,222 |
| Malta | 18,269 | 0 | -18,269 |
| Switzerland | 139 | 16,952 | +16,813 |
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) | 216,091,026 |
| Sea transport (not vehicle on ferry) | 115,639,508 |
| Air transport | 78,802,450 |
| Other | 6,902,459 |
| Road transport | 385,673 |
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) | 108,352,102 | 107,738,924 | -613,178 |
| Sea transport (not vehicle on ferry) | 75,711,920 | 39,927,588 | -35,784,332 |
| Air transport | 36,231,377 | 42,571,073 | +6,339,696 |
| Other | 3,864,969 | 3,037,490 | -827,479 |
| Road transport | 341,826 | 43,847 | -297,979 |
Export volume by port
What this shows: Export value handled by each UK port.
Top 5 values
| Port | £ |
|---|---|
| Dover / Eurotunnel | 130,838,247 |
| London Heathrow Airport | 48,446,024 |
| Southampton | 35,208,871 |
| London Gateway Port | 34,295,139 |
| Immingham Docks | 21,035,166 |
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 | 65,378,378 | 65,459,869 | +81,491 |
| London Heathrow Airport | 19,849,091 | 28,596,933 | +8,747,842 |
| Southampton | 19,214,213 | 15,994,658 | -3,219,555 |
| London Gateway Port | 20,784,118 | 13,511,021 | -7,273,097 |
| Immingham Docks | 12,939,921 | 8,095,245 | -4,844,676 |
| Dover | 9,704,926 | 9,670,796 | -34,130 |
| Liverpool Docks | 11,370,288 | 5,009,681 | -6,360,607 |
| London | 4,930,552 | 7,875,580 | +2,945,028 |
| Felixstowe | 8,717,672 | 4,066,852 | -4,650,820 |
| East Midlands Airport | 6,267,008 | 6,242,435 | -24,573 |
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