Diameter: 20, 25, 30, 35, 40, 45, 50, 60 mm 
Length: 5 ", 10", 20 ", 30", 40 " 
Filtration rating: 0.1-100um 
Porosity: 30-55% 
Retention: 100% 
Filter area: 0.6m2/10 " 
Compressive strength: 0.8Mpa 
Temperature resistance: 200℃(wet state) 
Maximum working pressure: 0.42Mpa