Lee's 2-Inch Wooden Air Diffuser, 2-Pack,White Brand: Lee's

Brand Lee's Color White Power Source Manual Capacity 100 Milliliters Floor Area 1 Square Feet About this item Precisely hand-cut against the grain of the wood to allow maximum output of super fine bubbles Super-fine bubbles provide increased efficiency in saltwater protein skimmers Available in 2-inch and 3-inch sizes Manufactured from an all-natural lime wood