HSN Code 8421
Centrifuges, including centrifugal dryers, filtering
Centrifuges, including centrifugal dryers, filtering or purifying machinery and appara for liquids or gases
GST rate
18%
Codes under 8421
| Code | Description | GST rate |
|---|---|---|
| 8421 11 | Cream separators | 18% |
| 8421 12 | Clothes-dryers | 18% |
| 8421 19 | Centrifuges, including centrifugal dryers, filtering or purifying machinery and appara for liquids or gases › Other | 18% |
| 8421 19 10 | Bowl centrifuges | 18% |
| 8421 19 20 | Basket centrifuges | 18% |
| 8421 19 30 | Continuous automatic centrifuges | 18% |
| 8421 19 40 | Self cleaning centrifuges | 18% |
| 8421 19 50 | Decanter centrifuges horizontal bowl | 18% |
| 8421 19 60 | Screw conveyor centrifuges | 18% |
| 8421 19 91 | For chemical industries — centrifuges, including centrifugal dryers, filtering or purifying machinery and appara for liquids or gases | 18% |
| 8421 21 | For filtering or purifying water — centrifuges, including centrifugal dryers, filtering or purifying machinery and appara for liquids or gases | 18% |
| 8421 21 10 | Ion exchanger plant or apparatus | 18% |
| 8421 21 20 | Household type filters | 18% |
| 8421 22 | For filtering or purifying beverages other than water — centrifuges, including centrifugal dryers, filtering or purifying machinery and appara for liquids or gases | 18% |
| 8421 23 | Oil or petrol-filters for internal combustion engines | 18% |
| 8421 29 | Centrifuges, including centrifugal dryers, filtering or purifying machinery and appara for liquids or gases › Other | 18% |
| 8421 31 | Intake air filters for internal combustion engines | 18% |
| 8421 32 | Catalytic converters or particulate filters, whether or not combined, for purifying or filtering exhaust gases from internal combustion engines | 18% |
| 8421 39 | Centrifuges, including centrifugal dryers, filtering or purifying machinery and appara for liquids or gases › Other | 18% |
| 8421 39 10 | Air separators to be employed in the processing, smelting or refining of minerals, ores or metals, air strippers | 18% |
| 8421 39 20 | Air purifiers or cleaners | 18% |
| 8421 91 | Centrifuges, including centrifugal dryers — centrifuges, including centrifugal dryers, filtering or purifying machinery and appara for liquids or gases | 18% |
| 8421 99 | Centrifuges, including centrifugal dryers, filtering or purifying machinery and appara for liquids or gases › Other | 18% |
| 8421 99 10 | Other: reverse osmosis (ro) membrane element for household type filters | 18% |
| 8421 99 90 | Other: other | 18% |
← Chapter 84: Machinery, engines and mechanical appliances
Related HSN codes
Frequently Asked Questions
What is the HSN code for centrifuges, including centrifugal dryers, filtering?
The HSN code for centrifuges, including centrifugal dryers, filtering is 8421, under Chapter 84 (Machinery, engines and mechanical appliances).
What is the GST rate on centrifuges, including centrifugal dryers, filtering?
Centrifuges, including centrifugal dryers, filtering is taxed at 18% GST under HSN code 8421.
How many digits of the HSN code go on a GST invoice?
It depends on your turnover in the previous financial year: businesses above ₹5 crore generally show 6 digits (8 for certain specified goods), and smaller businesses show 4 digits on B2B invoices. Check the current e-invoicing/HSN notification for the exact threshold that applies to you.
Rates as per Notification No. 9/2025-Central Tax (Rate), as amended, as of 7 October 2026. For guidance only — verify with your tax advisor.