... use;3,It has already defended to overfillprotection device,It is a safety and credibility;4,it of the physical volume be small ... weight light,It not demand electric power replenishment,Its take is a convenience;5,It meet the related request of the ISO10079 ... :≤12,Pedal pressure:≤245N;3,Normal foot work,the discharge is in the 10s:≥200mL;4,Max freedair flow:≥20L/min ...