Products Capacity (Gal.) - 18 18F 20" DURASTONE® UTILATUB® Laundry Tub - Floor 18W 20" DURASTONE® UTILATUB® Laundry Tub - Wall 19CFT 20" UTILATUB® Laundry Tub - Combo Kit 19CF 20" UTILATUB® Laundry Tub - Combo Kit 19CFP 20" UTILATUB® Laundry Tub - Combo Kit 19W 20" UTILATUB® Laundry Tub - Wall 19F 20" UTILATUB® Laundry Tub - Floor