Deep Water Innovations Single XL Micro-Pore Air Diffuser
This custom glass-fired air diffuser creates incredibly small bubbles, which significantly increase oxygen ratios per surface area. Micro-Pore diffusers will not break down or clog like other cheaper air stones. Simply the best air stone available on the market today! Dimensions: 7/8" x 10".Works best with DWCLO2MIN or DWCLO2MAX