Includes 2 pads for use with the Sonic Duo Cleaning System, Model No. KD451T (SKU 601099). The Carpet/Rug cleaning pad should be used to regularly clean, rejuvenate, deodorize, freshen, and brighten carpets and area rugs quickly and easily. The Scrub 'n Stain Removal pad should be used to remove discolorations and older stains. Both carpet pads are washable and reusable.