Model #s LBFR-x.Front to rear lacer bar shall be Middle Atlantic Products model # LBFR-x (refer to chart). Front to rear telescoping lacer bar shall adjust to fit rack depths __ (refer to chart). Front to rear lacer bars shall mount to existing rackrail. Front to rear lacer bars shall be sold in packs of two. Lacer bars shall be constructed of 18-gauge steel with a black powder coat finish. Front to rear lacer bars shall be GREENGUARD Indoor Air Quality Certified for Children and Schools. Front to rear lacer bars shall be RoHS EU Directive 2002/95/EC compliant. Front to rear lacer bars shall be manufactured by an ISO 9001 and ISO 14001 registered company. Front to rear lacer bars shall be warrantied to be free from defects in material or workmanship under normal use and conditions for the lifetime of the product.