Compatible The AquaFX Barracuda Reverse Osmosis 10 inch Replacement Filters Sediment Filter 1 micron 2.5-Inch x 9.75-Inch Carbon Block Filter 1 micron 2.5-Inch x 9.75-Inch (1) Color Indicating MBD-30 Mixed Bed Resin Cartridge for Standard DI Systems. Our DI Cartridge is filled with Resintech MBD-30 color changing resin. These replacement cartridges are interchangeable with Coralife, Kent Marine, Seachem, Spectrapure, and all other RO or RO/DI units that use standard 10" cartridges.