CO2 Diffuser, 250mm/300mm Stainless Steel Energy-Saving Easy Install Carbon Dioxide Diffuser for Fish Tank Supplies Aquarium Equipment (300mm-#1) - Product Features
Made of high-grade material, which is non-toxic, safe, energy-saving and eco-friendly
Easy and convenient to use and install
Provides precise and clear carbon dioxide bubbles
Also come out with excellent dissolved rate and produces excellent effect for the aquarium