DRINKING WATER FILTERS 3 STAGE SYSTEM SEDIMENT/CARBONS. THIS UNIT COME WITH THE FOLLOWING:ALL NSF CERTIFIED FILTERS AND PARTS 1ST STAGE SEDIMENT FILTER 2ND STAGE CARBON BLOCK WATER FILTER 3RD STAGE GAC WATER FILTERS 1/4" QUICK CONNECT FITTINGS 8 FEET OF FOOD GRADE TUBING 1 CHROME FAUCET (EXACTLY LIKE PICTURED) 1 FEED WATER ADAPTER THESE ARE STANDARD SIZES FILTERS WILL FITS STANDARD SIZE 10" HOUSING 1 WRENCH.