The information following the PG in the sku indicate the size/type of cabinet the door will fit
Ex: PG2442 fits a W2442
EX: MDWDC36 fits a PGWDC2436
30" and 36" hieght cabinets will have 6 panes while 42" high cabinets will have 8
Warranty
PHP hereby warrants to the original purchaser, for residential applications only, that all door hinges, and drawer glides will be free from defects in material and workmanship under normal use and service for a period of Five (5) years from purchase date (Proof of Purchase is required). See terms and conditions for more information.