AA5 Cab Filtration Over Pressure Unit

The UK’s No 1 company for overpressure systems
AA5 Filtration over pressure unit

We provide clients with the highest possible level of service anywhere in the area dedicated to finding solutions to customers requests delivering clean air for operator protection.

The AA5 cab filtration positive pressure safety system is similar to the AA4 only with a smaller foot print and lower height for applications where mounting space is limited especially on the roof of cabs or even inside cabins such as trains where it is critical to have any auxillary  equipment mounted within the gauge of the tracks.

The filtration capacity is slightly lower than the AA4 but still maintains the Arctic Air range of systems efficiency and adaptability with it’s choice of pre filters and high efficiency particulate air filters and furthermore the AA5 system can be specified with Carbon filters if protection against hazardous gases is required.

If you have any requirements for hazardous air cab filtration please contact us, we will be pleased to hear from you.


Length 750 mm. Width 515 mm. Height 265 mm.

Weight without filters – 37kg

Weight with filters – 52kg