UNS CO2 Diffuser - Small

The UNS CO2 Diffuser is a durable CO2 accessory designed to deliver consistent fine bubble diffusion for efficient CO2 absorption. The white ceramic disc produces a steady stream of micro-bubbles, improving distribution and supporting healthy aquatic plant growth. Constructed with a strong PC pipe and smooth beveled edges, the diffuser is built for long-term use and easy handling during installation and maintenance.

Its clean design integrates seamlessly into modern aquascapes. Available Sizes Size Dimensions Disc Diameter Recommended Aquarium Size Small 0.75 × 2.32 in 12mm Up to 26 gallons Medium 0.91 × 2.32 in 17mm Up to 52 gallons Large 1.22 × 2.32 in 24mm 52 gallons and above What's Included White Disc CO2 Diffuser 2 × Suction Cups U-Clip (fits up to 12 mm rim)