Sentinel 505 Smoke & Odor Laundry Wash is a concentrated cleaner used to wash and remove stains and odors from clothes and other machine-washable items. Though designed for use on clothing and other soft goods after a fire, Sentinel 505 can be used in any situation where odors are an issue. Use Sentinel 505 in place of your usual laundry detergent or as a pre-treater for tough stains and odor