- Domestic/Import: Domestic
- Material: Buna-N
- Nominal Size: 4 in
- Series: Holedall™
- Type: Female
- Item Features
- Replacement washer for 520-H female internally expanded permanent couplings
- Warning: this product contains a chemical known to the State of California to cause birth defects or other reproductive harm
- Do not use in connection with drinking water
- Wash hands after handling