Cambro's front-loading Ultra Pan Carriers are designed to hold variety of food pan combinations while having a compact footprint that fits in a variety of smaller transport vehicles. They hold hot or cold food for 4+ hours without electricity.
 
The UPC400: 
Holds 4 full-size 4" deep food pans.
Has vent cap on the door to help release steam and pressure inside.
 
The All-New UPC300:
Holds 3 full-size  4" deep food pans.
Features a gasketless, self-venting door that is fully removable for thorough cleaning.
Has a labeling on the door for adhering content or routing info.
Interstacks with all existing 300MPC and 1318MTC carriers.
Available in 5 colors.(Black, Charcoal Gray, Dark Brown, Hot Red, Navy Blue).