NB7-7.5CT-270 The new two-stage two-cylinder belt driven and lubricated compressors are designed and created for heavy duty use. The models in this range are enriched with technical solutions which improve usage: robust plastic shroud for protection against all parts in motion; dual outlet pressure reducers; high efficiency two stage pump; cast iron cylinders for a long life span; visual controls for oil level; solid handles; large wheels and double caster wheels for easy transportation.