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 | 108,878,385 |
| China | 79,211,749 |
| Netherlands | 51,727,293 |
| Italy | 49,087,551 |
| United States | 44,833,365 |
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 | 57,611,440 | 51,266,945 | -6,344,495 |
| China | 40,945,247 | 38,266,502 | -2,678,745 |
| Netherlands | 26,585,714 | 25,141,579 | -1,444,135 |
| Italy | 28,721,192 | 20,366,359 | -8,354,833 |
| United States | 27,040,638 | 17,792,727 | -9,247,911 |
| France | 17,076,519 | 21,213,974 | +4,137,455 |
| Switzerland | 11,286,253 | 13,288,534 | +2,002,281 |
| Belgium | 11,443,010 | 9,330,290 | -2,112,720 |
| Denmark | 9,025,113 | 10,877,265 | +1,852,152 |
| Spain | 7,992,429 | 5,191,991 | -2,800,438 |
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 | 95,052,043 |
| China | 89,717,832 |
| Italy | 59,337,889 |
| United States | 45,952,676 |
| Netherlands | 36,449,001 |
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 | 50,760,450 | 44,291,593 | -6,468,857 |
| China | 44,992,835 | 44,724,997 | -267,838 |
| Italy | 32,237,923 | 27,099,966 | -5,137,957 |
| United States | 25,980,066 | 19,972,610 | -6,007,456 |
| Netherlands | 18,176,789 | 18,272,212 | +95,423 |
| Switzerland | 12,875,157 | 14,163,554 | +1,288,397 |
| France | 11,775,332 | 11,168,306 | -607,026 |
| Spain | 7,305,201 | 5,965,709 | -1,339,492 |
| Australia | 11,454,210 | 1,793,659 | -9,660,551 |
| United Kingdom | 6,765,542 | 5,964,730 | -800,812 |
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 | 89 |
| Surrey, East and West Sussex | 76 |
| Hampshire and Isle of Wight | 73 |
| Bedfordshire and Hertfordshire | 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 | 81 | 80 | -1 |
| Inner London - West | 55 | 58 | +3 |
| Surrey, East and West Sussex | 57 | 60 | +3 |
| Hampshire and Isle of Wight | 47 | 55 | +8 |
| Bedfordshire and Hertfordshire | 48 | 53 | +5 |
| Leicestershire, Rutland and Northamptonshire | 41 | 47 | +6 |
| Greater Manchester | 41 | 48 | +7 |
| West Midlands | 46 | 41 | -5 |
| West Yorkshire | 33 | 34 | +1 |
| Herefordshire, Worcestershire and Warwickshire | 32 | 34 | +2 |
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) | 300,565,256 |
| Sea transport (not vehicle on ferry) | 172,178,185 |
| Air transport | 75,132,013 |
| Other | 13,368,477 |
| Road transport | 11,450,016 |
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) | 162,197,265 | 138,367,991 | -23,829,274 |
| Sea transport (not vehicle on ferry) | 93,967,549 | 78,210,636 | -15,756,913 |
| Air transport | 39,200,261 | 35,931,752 | -3,268,509 |
| Other | 6,382,352 | 6,986,125 | +603,773 |
| Road transport | 3,224,633 | 8,225,383 | +5,000,750 |
Import volume by port
What this shows: Import value handled by each UK port.
Top 5 values
| Port | £ |
|---|---|
| Dover | 117,048,280 |
| Felixstowe | 74,033,636 |
| Southampton | 42,738,168 |
| Eurotunnel | 37,770,574 |
| Immingham Docks | 36,183,323 |
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 | 68,050,060 | 48,998,220 | -19,051,840 |
| Felixstowe | 37,763,252 | 36,270,384 | -1,492,868 |
| Southampton | 22,257,731 | 20,480,437 | -1,777,294 |
| Eurotunnel | 19,944,056 | 17,826,518 | -2,117,538 |
| Immingham Docks | 17,602,140 | 18,581,183 | +979,043 |
| London Gateway Port | 19,504,099 | 11,497,637 | -8,006,462 |
| Dover / Eurotunnel | 7,856,927 | 21,749,843 | +13,892,916 |
| London Heathrow Airport | 15,669,822 | 13,429,220 | -2,240,602 |
| London | 13,150,006 | 10,885,239 | -2,264,767 |
| ZLC | 10,029,280 | 12,187,616 | +2,158,336 |
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 | 402 |
| Retail trade, except of motor vehicles and motorcycles | 178 |
| Manufacture of machinery and equipment n.e.c. | 111 |
| Other manufacturing | 100 |
| Office administrative, office support and other business support activities | 92 |
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 | 616 |
| 54m+ | 498 |
| 0-1m | 197 |
| 15m-54m | 161 |
| Other | 117 |
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 | 66,925,064 |
| Belgium | 48,821,298 |
| Germany | 43,531,215 |
| France | 38,584,942 |
| Ireland | 23,823,079 |
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 | 36,784,389 | 30,140,675 | -6,643,714 |
| Belgium | 22,744,362 | 26,076,936 | +3,332,574 |
| Germany | 24,499,695 | 19,031,520 | -5,468,175 |
| France | 19,073,095 | 19,511,847 | +438,752 |
| Ireland | 13,852,164 | 9,970,915 | -3,881,249 |
| Netherlands | 9,958,822 | 9,901,192 | -57,630 |
| Italy | 6,762,002 | 9,274,983 | +2,512,981 |
| Norway | 10,827,601 | 1,541,762 | -9,285,839 |
| Spain | 5,253,853 | 5,449,307 | +195,454 |
| Australia | 4,822,819 | 4,008,957 | -813,862 |
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 | 1,045,014 |
| Germany | 131,298 |
| Italy | 85,415 |
| Poland | 71,116 |
| Malaysia | 29,815 |
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 | 662,282 | 382,732 | -279,550 |
| Germany | 47,005 | 84,293 | +37,288 |
| Italy | 44,656 | 40,759 | -3,897 |
| Poland | 34,359 | 36,757 | +2,398 |
| Malaysia | 4,823 | 24,992 | +20,169 |
| China | 14,196 | 8,991 | -5,205 |
| Ireland | 7,047 | 12,307 | +5,260 |
| Malta | 18,269 | 0 | -18,269 |
| Switzerland | 139 | 16,952 | +16,813 |
| United States | 6,671 | 7,934 | +1,263 |
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) | 217,053,272 |
| Sea transport (not vehicle on ferry) | 114,290,947 |
| Air transport | 79,446,973 |
| Other | 6,840,034 |
| Road transport | 229,344 |
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) | 109,058,333 | 107,994,939 | -1,063,394 |
| Sea transport (not vehicle on ferry) | 75,925,975 | 38,364,972 | -37,561,003 |
| Air transport | 35,911,044 | 43,535,929 | +7,624,885 |
| Other | 3,794,318 | 3,045,716 | -748,602 |
| Road transport | 185,497 | 43,847 | -141,650 |
Export volume by port
What this shows: Export value handled by each UK port.
Top 5 values
| Port | £ |
|---|---|
| Dover / Eurotunnel | 130,219,487 |
| London Heathrow Airport | 49,355,924 |
| London Gateway Port | 35,084,634 |
| Southampton | 35,006,456 |
| Immingham Docks | 21,124,157 |
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 | 63,373,087 | 66,846,400 | +3,473,313 |
| London Heathrow Airport | 19,811,340 | 29,544,584 | +9,733,244 |
| London Gateway Port | 22,604,929 | 12,479,705 | -10,125,224 |
| Southampton | 18,931,904 | 16,074,552 | -2,857,352 |
| Immingham Docks | 13,270,766 | 7,853,391 | -5,417,375 |
| Dover | 10,217,279 | 8,604,894 | -1,612,385 |
| Liverpool Docks | 11,211,717 | 5,201,980 | -6,009,737 |
| London | 5,360,982 | 7,771,491 | +2,410,509 |
| Felixstowe | 8,988,832 | 3,657,224 | -5,331,608 |
| Harwich | 8,401,657 | 4,105,044 | -4,296,613 |
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