Miniature Copper Check Valve for RO Systems from United States
> A compact copper check valve (1/4 inch) for reverse osmosis water filtration units, preventing wastewater backflow into the membrane. It is a nonreturn valve for small pipe systems, classified under tariff item 8481.30.00.
Duty Rate — United States → Canada
0%
Import Tips
• > Describe the valve's application (RO system) and copper body on the invoice
• Ensure the valve's dimensions and connection type are clearly stated
• Keep the manufacturer's datasheet to confirm the nonreturn function