Complete your confined space entry package with ventilation blowers. Brands include RamFan, Euramco, Allegro and ECKO. In general, it is a good idea to ventilate a confined space before entry and to maintain forced ventilation while the space is occupied. Forced ventilation is required to remove air contaminants, provide oxygen and to keep the air as clean as possible. Also check out other confined space gear including our confined space kitconfined space sign and confined space retrieval system.