Convotherm, C4 ET6.20ES ON 6.20ES DD STACK, Convotherm Combi Oven/Steamer School Package, electric, boilerless, double stack, (6) 18" x 26" full size sheet pan or (12) 12" x 20" x 1" hotel pan capacity per oven, includes: (12) 21” x 23” wire shelves & (12) 12” x 20,9" easyTouch control panel, US cookbook with 200 cooking recipes for common K-12 menu items, (4) cooking modes: hot air, steam, combi-steam & retherm, includes wire racks per oven, disappearing door, anti-microbial hygienic door handle, hands-free auto clean, pull-out spray hose, ConvoClean+ fully automatic hands-free cleaning system, includes stacking kit with feet, stainless steel construction, UL-Listed ventless (no hood required - local codes prevail), cULus, NSF