HS Code Subheading

Machinery; for filtering or purifying water

8421.21 Subheading
Section XVI — Machinery and mechanical appliances; electrical equipment; parts thereof; sound recorders and reproducers, television image and sound recorders and reproducers, and parts and accessories of such articles

About HS Code 842121

This HS code covers machinery specifically designed for filtering or purifying water, a critical category given global concerns about water quality and scarcity. This includes a wide range of equipment from household water filters to large-scale industrial and municipal water treatment plants. Key players in this trade are specialized water treatment equipment manufacturers, engineering firms, and environmental technology suppliers. Importers include municipal water authorities, industrial facilities (e.g., food and beverage, pharmaceutical, chemical), commercial establishments, and individual consumers. The demand is driven by increasing urbanization, industrialization, stricter environmental regulations, and a growing awareness of health and hygiene. Trade often involves advanced filtration technologies such as reverse osmosis, ultrafiltration, and activated carbon systems, with a focus on efficiency, sustainability, and compliance with drinking water standards.

Products Under This Code

Reverse osmosis systems, Ultrafiltration units, Activated carbon filters, Sand filters, UV water purifiers, Industrial water softeners, Desalination plants, Sediment filters

Real World Examples

Culligan water softeners, Brita water filters, GE Water & Process Technologies RO systems, Siemens Water Technologies, Pentair water filtration systems

Common Misclassification

This code is specific to water filtration/purification, distinguishing it from 842122 (beverage filtration) or 842139 (air/gas filtration), and general pumps in 8413.

Products Classified Under 8421.21

Water filterWater purifierWater treatment machine

Related Codes

8421.11 Centrifuges; cream separators 8421.12 Centrifuges; clothes-dryers 8421.19 Centrifuges; n.e.c. in heading no. 8421, including centrifugal dryers (but not clothes-dryers) 8421.22 Machinery; for filtering or purifying beverages other than water 8421.23 Machinery; filtering or purifying machinery, oil or petrol filters for internal combustion engines 8421.29 Machinery; for filtering or purifying liquids, n.e.c. in item no. 8421.2 8421.31 Machinery; intake air filters for internal combustion engines 8421.32 Machinery; catalytic converters or particulate filters, whether or not combined, for purifying or filtering exhaust gases from internal combustion engines 8421.39 Machinery; for filtering or purifying gases, other than intake air filters, catalytic converters or particulate filters for internal combustion engines 8421.91 Centrifuges; parts thereof, including parts for centrifugal dryers

Industry

This code belongs to the Electronics & Electrical Equipment industry.

Trade Overview

China, the USA, and Germany are leading exporters, while China, the USA, and India are significant importers of water filtering and purifying machinery.

Frequently Asked Questions

What is HS code 842121?

HS code 842121 covers: Machinery; for filtering or purifying water. This HS code covers machinery specifically designed for filtering or purifying water, a critical category given global concerns about water quality and scarcity. This includes a wide range of equipment from household water filters to large-scale industrial and municipal water treatment plants. Key players in this trade are specialized water treatment equipment manufacturers, engineering firms, and environmental technology suppliers. Importers include municipal water authorities, industrial facilities (e.g., food and beverage, pharmaceutical, chemical), commercial establishments, and individual consumers. The demand is driven by increasing urbanization, industrialization, stricter environmental regulations, and a growing awareness of health and hygiene. Trade often involves advanced filtration technologies such as reverse osmosis, ultrafiltration, and activated carbon systems, with a focus on efficiency, sustainability, and compliance with drinking water standards.

What products fall under HS code 842121?

Reverse osmosis systems, Ultrafiltration units, Activated carbon filters, Sand filters, UV water purifiers, Industrial water softeners, Desalination plants, Sediment filters

What are common misclassifications for HS code 842121?

This code is specific to water filtration/purification, distinguishing it from 842122 (beverage filtration) or 842139 (air/gas filtration), and general pumps in 8413.

How is HS code 842121 structured?

HS code 842121 is a 6-digit subheading under the Harmonized System. The first 2 digits (84) identify the chapter, digits 3-4 (21) identify the heading, and digits 5-6 (21) specify the subheading. This code is standardized globally by the World Customs Organization.