aquarium inlet exhaust installation head water pipe connector 20/25/32/40/50 mm

100% new and characteristics: this pvc connector is designed for aquarium, used to prevent the water pipes from both sides and prevent the aquarium leaking. made of material, it is sustainable. easy to install and use. specification: material: pvc 5 connector internal diameter for your choice: 20/25/32/40/50mm color: black, blue quantity: 1 pc note: 1. is u 1-3cm error due to manual measurement. suddenly make sure you don't bid too hard. 2. due to the differe