The Dometic Columbia entrance door ensures safety when living mobile with a number of built-in safety features. The heavy-duty safety mesh has been tested to resist up to 180J of impact, while letting in fresh air from outside. The secure four-point locking system ensures that intruders are kept out. The Columbia door provides excellent air circulation for recreational vehicles that is in accordance with LPG installation requirements. Capped off with a modern design available in black and white, the Columbia door is an excellent choice for most recreational vehicles.