The Aquascape Pond Aerator PRO 8” Aeration Disc is used conjunction with an aerator to help provide proper aeration, improving water quality, fish health, and water clarity. The 8-inch disc is weighted and can be easily anchored or concealed with small rocks or gravel, making it easy to set the disc in your desired location. The durable outer plastic housing prolongs the life of the aeration disc. The Aquascape Pond Aerator Pro 8-inch Aeration Disc uses a barbed hose attachment, accommodating ½-inch OD tubing and is designed for use with the Aquascape Pond Aerator Pro 60. Aquascape is passionate about the products we produce, providing unique products, designs, and features that stand above the competition.