... SHOULDN'T MISS:We can design and supply Roof mounted bus air conditioner up to your requirement with our own R ... *200Rear engine,roof unit,double system(WX22*2),domestic compressor,8m - 9m(for low temperature region)6TSZQD22B3180004403500*1830*200Rear engine,roof ... ,single system,with Bitzer compressor(6PFCY)12m -14m Roof mounted bus air conditioner