HSN code for water purifier.
Water purifier is classified under HSN code 842121 (FOR FILTERING OR PURIFYING WATER). The GST rate is 18%, effective 2025-09-22, per 9/2025-Central Tax (Rate).
GST rate for water purifier
| gst | cgst + sgst | what it covers | entry |
|---|---|---|---|
| 18% | 9% + 9% | Centrifuges, including centrifugal dryers; filtering or purifying machinery and apparatus, for liquids or gases | Sch II S.No 4109/2025-Central Tax (Rate) |
source: 9/2025-Central Tax (Rate) · effective 2025-09-22 · rate inherited from heading 8421
Invoice examples at 18%
Intra-state sale of ₹10,000 at 18% GST
- Taxable value₹10,000
- CGST @ 9%₹900
- SGST @ 9%₹900
- Invoice total₹11,800
Inter-state sale of ₹1,00,000 at 18% GST
- Taxable value₹1,00,000
- IGST @ 18%₹18,000
- Invoice total₹1,18,000
More specific codes under 842121
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Full detail — official text, every sub-code and rate history — on the HSN 842121 code page → · chapter 84 — Nuclear reactors, boilers, machinery and mechanica
compiled from official CBIC sources · not tax advice — verify with your tax advisor before filing