LEED Certification is a process to promote and assure building efficiency from the creation of materials to their use, management of on site waste, and eventual function of the building. One aspect of LEEDS certification is the use of recycled materials, which contributes LEEDS points to the overall total for certification. 

The LEEDS guidelines are set by the US Green Building Council and specifically exclude plumbing products from the recycled goods category.  Therefore, Kohler does not provide LEED Certification recycled content information on its products.