Additional Details ------------------------------ Product description: 3MR523-01-28 Features: -3M Portable Air Purification Panels deliver protection as well as a unique low-temperature catalyst for the removal of carbon monoxide and other toxic gases. Available in 50 and 100 CFMs, the panels can be ordered with a digital readout carbon monoxide detector.. -Replacement parts are those that wear out after normal use and can be replaced individually/in quantity without repurchasing the entire system.. -UNSPC CODE: 46182005. -APR Masks, Cartridges & Filters. Generic Dimensions: -Product weight: 4.71 lbs. Dimensions: Overall Product Weight: -4.71 Pounds.