Filter paper  (material:wood pulp and Environmental Fiber)                                                                                18.5kg/roll                                                                           

21grams one square meter;18grams/square meter;23grams/sqaure meter                                           

Fliter film width:150mm and 180mm                             

3200-4500bags/kg (90*90mm and 75*60mm)                                                        

Length of one roll:5700meters                                      

Minimum order:500kg