Schedule 40 PVC DWV Stack Adapter 4 Inch from Japan
A stack adapter fitting in Schedule 40 PVC for vertical DWV pipe connections in multi-floor drainage, non-pressure. Under HTS 3917.40.00.50 as other DWV plumbing fittings for building soil stacks. No-hub design for easy alignment.
Duty Rate — Japan → United States
12.5%
Rate breakdown
9903.05.4912.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of Japan, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 12.5 percent, as provided for in U.S. note 52 to this subchapter
Import Tips
• Certify wall thickness meets Schedule 40 for DWV to distinguish from thinner sewer specs
• Use detailed photos in entry docs showing no pressure markings