"STRAINER INCLUDES HANDWHEEL, AUTOMATIC ANGLED INLINE FLOW AND WELDED DUAL STRAINERS; DUPLEX STRAINERS USES A TAPERED PLUG DESIGN WITH TWIN BASKETS AND HAVE A DIVERTER HANDLE TO SWITCH FROM ONE SIDE TO THE OTHER; SIDE BASKET THAT IS NOT IN USE CAN BE REMOVED AND CLEANED WITHOUT INTERRUPTING FLOW"