This document presents information on three types of laboratory ovens: a hot air oven, bacteriological incubator, and vacuum oven. The hot air oven has a stainless steel interior, intelligent temperature controller, forced air circulation for even heating, and temperature range of 10°C above ambient to 250°C. The bacteriological incubator also has a stainless steel interior and round corners for easy cleaning, with a temperature range of 5°C above ambient to 65°C and digital timer of 1 to 9999 minutes. The vacuum oven features over-temperature protection, double-layer tempered glass door, silicone rubber seal for high vacuum, temperature range of 10°C above ambient to 250°C, and vacuum degree of 133Pa.