Ista 3 in 1 Replacement CO2 Diffuser - Small Replacement Ceramic for the Small Ista Compact V Diffuser The Ista 3 in 1 Replacement CO2 Diffuser - Small replaces the ceramic diffusion element used in the compatible Small Ista Compact V three-in-one CO2 diffuser. A fresh ceramic can restore fine bubble production when the original disc has become damaged, permanently clogged or difficult to clean. Replacing only the serviceable ceramic allows the diffuser body, bubble counter and check valve to remain in use. Ista Small Replacement Ceramic Features Direct replacement for the Small Compact V CO2 diffuser Fine porous ceramic produces small CO2 bubbles Restores diffusion without replacing the complete assembly Suitable for routine maintenance or replacement of a damaged disc Installs inside the original removable diffuser cap Ista Small Replacement Diffuser Specifications Manufacturer model: I-5888 Component type: Replacement ceramic diffusion disc Compatible product: Ista 3 in 1 Compact V CO2 Diffuser - Small Quantity: One ceramic replacement UPC: 4719856838885 Small Replacement Ceramic Compatibility/Notes This ceramic is for the Small Compact V diffuser and is not interchangeable with the Large replacement element. Confirm the diffuser size before installation. Inspect the original diffuser body, seals, check valve and cap before reassembly. Replace the complete unit if the acrylic body or retaining components are cracked or damaged. Ista Small Ceramic Replacement Directions Turn off the CO2 supply and remove the diffuser from the aquarium. Unscrew or release the diffuser cap, remove the existing ceramic and clean the seating surface. Install the replacement ceramic evenly and secure the cap without overtightening it. Refill the bubble-counter chamber if necessary, reinstall the diffuser and allow the ceramic to soak for approximately 24 hours before evaluating its bubble pattern. What's Included One Small Ista Compact V replacement ceramic diffuser