To protect the engine from mechanical and environmental harmful effects such as humidity resulting with corrosion, impact and damping from collision, dropping etc. during storage and shipping. – PW207 Series Engines; – PW206A/C/E Engines; – Bell 429/429WLG Helicopters; – Bell 427 Helicopter; – Leonardo A109E Power; – Leonardo AW109 Nexus; – Leonardo A109 Grand Helicopter; – MD Explorer 900/902 Helicopters. § Strong aluminum structure; § Resistance against corrosion and sparks; § Hermetically sealed; § Easily stackable design; § Vibration absorption support to protect the unit; § Equipped with pressure gauge, over-pressure safety valve and gas release valve; § Wide internal space for comfortable operator access; § Nitrogen and silica gel usage to keep the internal volume dry to prevent corrosion.