Compatible to Intelifil (IF-SM-DI020) 20"x2.5" 11,000 mg-L Mixed Bed DI Lowers TDS Filter by IPW Industries IncThe IPW Industries Compatible Intelifil IF SM DI020 20"x2. 5" Mixed Bed DI cartridge reduces TDS to near zero by removing charged ionic contaminants including nitrates, phosphates, silica, and ammonia. Rated for 11,000 mg L capacity with 10 nominal micron filtration, this refillable deionization cartridge works as a stand alone filter or as a polishing stage after reverse osmosis systems. SPECIFICATIONS Core Performance Data Dimensions 20" 2. 5"