Elkay 51299C Replacement Filter Cartridge 1.5 gpm, 1,500 gal, 9 1 2 in Overall Ht, 3 1 4 in Dia 55AK55 this torsion bit is designed this torsion bit is designed to resist wear and corrosion for long lasting use (Full Load) 3 Output Receptacles (12) 5 15R Storage Temperature Range +5 to +122 degrees Fahrenheit 15 to +50 degrees Celsius Battery Recharge Rate (Included Batteries) Less than 16 hours from 10% to 90% Cold Start (Startup in Battery Mode During a Power Failure) Cold start operation supported High Voltage Transfer to Battery Power (Setpoint) 139 PowerAlert Software For local monitoring via the UPS™s built in USB port Sediment Maximum Pressure 105 psi Maximum Temperature 100 Degrees F Minimum Pressure 20 psi Model Number EWF172 Filter Media Carbon Minimum Temperature 40 Degrees F Reduces Chlorine Taste and Odor