11.53.00 Laboratory Equipment
11.53.33 Emergency Safety Appliances
11.53.13 Laboratory Fume Hoods 11.53.13.13 Recirculating Laboratory Fume Hoods 11.53.16 Laboratory Incubators 11.53.17 Laboratory Equipment Washers 11.53.19 Laboratory Sterilizers 11.53.23 Laboratory Refrigerators 11.53.26 Laboratory Freezers 11.53.29 Laboratory Controlled-Environment Cabinets 11.53.33 Emergency Safety Appliances 11.53.43 Service Fittings and Accessories 11.53.53 Biological Safety Cabinets