... 1.0*12*15.5+7.50.4-0.5Contains fan, cyclone ,Air-lockGHG Φ 1.2*12*15.5+7.50. ... 1.5*12*15.5+15+7.5+40.8Contains fan, cyclone ,Air-lock GHG Φ 1.6*12*15.5+18 ... 1.8*12*17.5+18.5+11+40.8Contains fan, cyclone ,Air-lock GHG Φ 1.8*12*311+30+5. ... lock GHG Φ 2.0*12*17.5+22+111.2Contains fan, cyclone ,Air-lock GHG Φ 2.0*12*311+45+5 ... .51.5Contains fan, cyclone ,Air-lock GHG Φ 2.0*24*17.5+371 ...