Cabinet Construction Stainless model has stainless steel front doors and sides on exterior. Interior is stainless steel side walls, back, floor, ceiling, and door liner. This unit includes LED interior lighting. Standard model features stainless door, front, and brushed aluminum sides. Interior has aluminum side walls (looks very much like stainless steel), door liner, and back with stainless steel floor and ceiling. 2" I.D access port with access port cover and insulation plug located on side wall of the chamber. Doors Positive seal, self-closing doors (gravity cam-lift) with 120 degree stay open feature. Door gasket removal and installation is tool-less. Glass door models feature double pane,"Low-E" glass. Insulation Entire cabinet structure and doors insulated using foamed-in-place CFC free polyurethane foam. Shelving Wire shelves (3 per door) available in stainless steel or PVC coated. Shelves capable of supporting up to 150 lbs of evenly distributed weight. Gray PVC coated shelves are standard. Full height shelf support pilasters, with double oblong holes on 1/2" centers. Pilasters made of the same material as cabinet interior. Four (4) chrome plated, stainless steel shelf clips to be included for each shelf. Downloads Download Specification Benefits to the HH055 HH series incubators/ovens do not employ cooling to maintain temperature. Without cooling components, the HH series is the most efficient and reliable series we sell. This unit uses roughly 1/4 the electricity of our compressor driven models and roughly 1/8 the electricity of some of our competitor's models. Electrical Characteristics Unit completely pre-wired at factory, and ready for final connection to a 115/60/1 phase - 15 amp dedicated (recommended) outlet. Unit runs approx. 6 RLA under test conditions. A cord and plug set is included. A sole use circuit is recommended. Popular options include chart recorder and TraceLock electronic/audit capable locks.