Long tube breathing apparatus

Long tube breathing apparatus
The long tube breathing apparatus in mobile aerator city gas are breath combination , preparative 30m fastness canal 1 base、10m bassoon two base，most use distance 50m， be qualified 2 convention breath veil， confess 2 human at one time apply 。mobile aerator city gas have excessive do nothing but gas cylinder ， gas cylinder by oneself also at one time confess gas。 mobile aerator city gas confess gas time long ，approve confess God's image breath confess supplier、pneumatic equipment confess supplier ate check and measure equipment confess supplier。