Fluval Add-On Surface Skimmer for AC20/AC30/AC50 Power Filter Laguna -The rear sump includes a

-The rear sump includes a dedicated media chamber for additional chemical filtration

wood vivarium or placed above the metal mesh cover

The M series is highlighted by its reflective borosilicate glass tube

Treats 30-60 liter (10-20 gal) terrariums

carpet-like moss can hold up to 20 times its dry weight in moisture

Fluval Add-On Surface Skimmer for AC20/AC30/AC50 Power Filter Laguna -The rear sump includes aThe AC Surface Skimmer actively eliminates undesired surface film and organic waste to help keep aquarium water clean and clear. Features For use with AquaClear and Fluval AC Series power filters Quickly and effectively eliminates surface film, dust and contaminants to improve water quality Improves oxygen exchange and light penetration essential to fish and plant life Quick installation easily slides over filter intake stem Compact, clear, discreet