supply of laboratory refrigator , procurement, supply installtion & commissioning of laboratory refrigator for storage and pres ervation of anaerobic microbial inoculum samples as per attached technical specification annexure, make a ytac or similar. [ warranty period: 30 months after the date of delivery ] ] , supply, installation and commissioning of bod incubator for testing of anaerobic microbial in oculums samples as per attached technical spec, make-aytac or similar. [ warranty period: 30 months af ter the date of delivery ] ] , supply installation and commissioning of hot air oven ecogain series technical specifica tions and make as per annexure, make-aytac or similar [ warranty period: 30 months after the date of d elivery ] ]