Ultra Grouting SystemUltra Grouting System will cut your grouting time nearly in half with less of a mess. The proprietary designs of the raised grate and slotted sponge sifts out grout material to settle at the bottom while leaving cleaner water on top. The slotted rollers remove all excess water from the sponge. Included is everything you need to achieve a professional finish on your next tiling job. Replacement parts are available. Save time grouting with less of a