The SHEL LAB Models 2428, 2428H, 2440 and 2460 are well-suited for roller bottle apparatus and high-volume tissue culture applications and is ideal for cell harvesting. This large capacity incubator maximizes laboratory space in a convenient floor model design. Its chamber floor is specifically designed for easy movement of roller bottle apparatus by use of a flip-out ramp. Supplied with four one amp interior electrical outlets and gentle mechanical air convection that ensures excellent temperature uniformity, and eliminates cold spots. An infrared system accurately controls CO2 levels, provides fast CO2 recovery after door openings, and is not affected by temperature or humidity. This unit is supplied with six stainless steel shelves, which are adjustable on 1/2 inch increments. SHEL LAB reach-in CO2 incubators are available in 27 cu.ft., 31 cu.ft., 40 cu.ft., and 58 cu.ft. sizes. Model 2428H includes active humidity control and a glass viewing door.