Item: Plastic check valve
Type: Duckbill
Port size: 4mm
Body material: ABS
Inner material: Silicone
Opening pressure: 2.5-4.5Kpa
Back pressure: >=100 Kpa
Type: Duckbill
Port size: 4mm
Body material: ABS
Inner material: Silicone
Opening pressure: 2.5-4.5Kpa
Back pressure: >=100 Kpa