Aquarium Oxygen Glass Bell Diffuser / Dissolver Part # AB-OXD-01
 
Fits - Standard Size Air Line 4mm
Helps keep aquarium surface from splashing 
Size: 12.5x4.5cm /  5.5 inches in Height  x 2 inches in Circumference
 
Package Included:
1 x  Glass Diffuser 
2 x Suction Cups
1 x Air Stone (color of air stone will be random)
1 x Short Air line / to connect to airstone/diffuser bell