Kirby Gen 3 Sentria 2 Tile & Grout Kit Contains 1 Pre Treat #237113GTackle tile and grout cleaning with this complete Kirby kit, purpose built for the Gen 3 and Sentria 2 machines. Everything you need comes in one package no hunting down separate accessories. Includes 1 pre treat solution, tile grout cleaner, brush roll, and sponge a full cleaning system out of the box Factory spec Kirby components ensure proper fit and performance on Gen 3 and Sentria 2 models The brush roll and sponge are matched to work together