UV Water Purifier Quartz Sleeve
A quartz glass tube that protects UV lamps while allowing light transmission for water disinfection in purification systems. Classified in HTS 8421.99.0140 as an essential part of water purifying apparatus.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If generic laboratory quartz tubing
Laboratory glassware without purification machinery function falls in Chapter 70.
If for non-water UV applications like air sterilization
General filtering parts outside water purification go to 'other' provisions.
If imported as replacement for analytical instruments
Parts of scientific instruments for physical/chemical analysis classify in Chapter 90.
Not sure which classification is right?
The Tariff Assistant works through the GRI rules on your specific product to reach the right HTS code — and can price the duty on it in the same conversation.
Import Tips & Compliance
• Certify quartz purity grade (typically 99.99%) and UV transmission specs for classification validation
• Pair with UV lamp housing documentation to demonstrate integral role in water purification
• Avoid misclassification by specifying 'not for laboratory glassware' in commercial invoices
Related Products under HTS 8421.99.01.40
Whole House Filter Manifold
Multi-port PVC manifold distributing pressurized water through parallel filter housings in whole-house systems. HTS 8421.99.0140 for water filtration machinery.
Pool Filter Multiport Valve
7-position valve controlling filter, backwash, rinse functions in sand filter pools. Dedicated water purification component, HTS 8421.99.0140.
Inline Water Filter Head Assembly
Brass head assembly with 1/4" quick connects for under-sink inline carbon filters. HTS 8421.99.0140 as water purification machinery part.
Deionization Cartridge Mounting Rack
Stainless wall-mount rack holding mixed-bed DI cartridges for lab ultrapure water systems. Specific to water purification, HTS 8421.99.0140.
Reverse Osmosis Membrane Housing
A pressure vessel designed to hold reverse osmosis membranes in water purification systems. It is classified under HTS 8421.99.0140 as a part specifically for machinery used in filtering or purifying water through membrane separation processes.
Water Filter Cartridge Holder Assembly
A modular assembly that securely holds replaceable filter cartridges in residential or commercial water purification units. Falls under HTS 8421.99.0140 due to its dedicated role in water filtering machinery.