Versions- Only available in a vertical flow version.- Available with three different filtration levels depending on the type of particle or contaminant to be filtered.With the exception of the F7 pre-filters, all other filters come in bags to protect them from dust and environmental contaminants.Absolute filter assembly system using threaded knobs, which guarantees good tightening between filter and frame, minimising the air by-pass outside the normal filter in the filters mounted on guides.FanHigh-pressure backward fan available, with brushless DC motor, high-efficiency and low consumption, power supply 230V±10% 50/60Hz, IP44, ball bearings, thermal protector. They include a stop/start switch and a manual potentiometer that allows the air flow setting to the premises’ needs.Other dataAll versions come with 4 wheels, making it easy to move the unit to the desired location.Designed for indoor usage.PAP 420 Models: Working temperature from -10ºC to +50ºC. Maximum relative humidity: 90%.PAP 350 Models: Working temperature from -10ºC to +40ºC. Maximum relative humidity: 70%.