ID40mm White PVC Aquarium 90° Elbow Drainage Connector Fish Tank Overflow JointAbout the item Note: Size for manual measurement, there may be a 0 to 2 mm error, belongs to the normal phenomenon. And due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you Specifications Material: PVC Color: White Size: ID 40mm Hole size: 40 43mm, Clamping thickness: 0 22mm Package Includes 1* PVC Aquarium 90 Elbow