Our Big Boy with the upgraded KDF 85/catalytic carbon filter has it already installed. Big Boy extra high capacity de-chlorinator and sediment filter. High flow rate of 7 gallons per minute or 420 gallons per hour. Whole house filter or stand alone (with optional garden hose connection kit). It has a 50,000 gallon capacity. Removes 99% of chlorine and 95%+ of sediment, rust, silt, etc., and volatile organic compounds. Includes: 2-stage oversized housings with pleated, cleanable sediment and carbon block filters, inlet and outlet pressure gauges, heavy-duty wall-mountable aluminum bracket, 1 in inlet and outlet for whole house application, filter wrench and instructions. Unit size 29.5 in x 16 in x 8.5 in and weight is 30 lb.