HOST Dry Cleaner deep cleans by dissolving and absorbing the dirt. HOST extractorSPONGES® are a soft, natural product, moistened with a small amount of water and safe, “green” cleaning ingredients. This formula deep cleans carpet, track-off mats, grouted tile, LVT and any other textured hard floors very effectively. The chemical formula is safe, nontoxic and biodegradable. 12 pound buckets, 4 per case & 30 pound buckets.