3M AQUA-PURE STANDARD WHOLE HOUSE ONE-HIGH TRANSPARENT VALVE-IN-HEAD FILTER 3/4"" NPT - AP101T THE 3MAQUA-PURE AP101T WHOLE HOUSE FILTRATION SYSTEM FILTERS SEDIMENT IN THE WATER USED THROUGHOUT YOUR ENTIRE HOME TO HELP PROVIDE CLEANER CLEARER BETTER TASTING DRINKING WATER. BUILT-IN BYPASS VALVE SO FILTERS CAN BE CHANGED WITH NO NEED TO TURN OFF WATER SUPPLY. INCLUDES FILTER CHANGE-OUT WRENCH. INCLUDES AP110 SEDIMENT . DESIGNED WITH BUILT-IN SHUT-OFF VALVE OFFERING FAST AND EASY CHANGES.