Вообще порошок воздушный фильтр рециркуляции картридж

wider pleats width improving the air flow and reducing the runing resistance filter media be glass with wet strength, water repellent binder model Insidediameter mm Outside diameter mm Height mm Resistance Pa capturing Efficiency % Wind volum (m3/h) nagative blow pressure kg XNF3260320220600501 μ 56.22--3μ 80.53--5μ 98.38μ 99.81200 6—8XNF3266320220660501300 6—8XNF3290320220900501800 6—8XNF3560350210600501600 6—8XNF2860280180600501100 6--8 high efficiency .low resistance ,high winds ,used repeatedly for many times low cost . the shap of the caps and the size can be customized .