Lee's Aquarium & Pet Products Wooden Air Diffuser Tan, 1 Each/3 in, 2 Pack by San Francisco Bay Brand

Product Description Wooden Air Diffusers are the ideal diffuser for use in air-driven, saltwater protein skimmers.Manufactured from an all-natural lime wood they create super-fine bubbles which provide increased efficiency in saltwater protein skimmers. They precisely hand-cut against the grain of the wood to allow maximum output of super fine bubbles.