For projects/jobs that require repeated applications, i.e. automobile agencies, rental property management, hotel/motel properties, veterinarian clinics, hospice services, pet boarding facilities, humane societies, etc., this is the size for you! Economical and easy to use. Excellent application directions available for any size contamination/spill. No more lifting a heavy pail! Get the same amount of Nok-Out in a simpler package. If the project demands a heavy duty application of Nok-Out, this is the most economical and useful size.