Product Number
MD00805L ---- Knee, Large
MD0805LH ---- Knee w/ ROM, Large (Regular)
MD805XLH ---- Knee w/ ROM, XL
Accessory Number
GP00003-R ---- Rectangle Gel Pack
GP00002-K ---- Small Knee Gel Pack
GP00002-R ---- Large Rectangle Gel Pack
GP00001-K ---- Large Knee Gel Pack