Feature: ?—With reliable quality. ?—Glass made, nice and beautiful. ?—Compact in size and easy in installation. ?—High bending resistance,refining effect is good. ?—Diffuser CO2, provide a healthy environment for your fishes. Product Attributes: Material:Glass Color:Transparent(As Showed) Quantity: 1 Pcs Package Include: 1 x Glass CO2 Diffuser Note: 1.Due to the light and screen difference, the item's color may be slightly different from the pictures. Please understand. Make su re you don't mind before you bid. 2.Please allow 1-5mm differences due to manual measurement.