Product Name: Three Ear Hook Filter Cartridge Cartridge Installation: Vertical Lifting Filter Bag Environment: Room Temperature Filter Bag Sectional Shape: Round Bag Filtration Grade: HEPA Filter Usage: Dust Filter, Liquid Filter, Air Filter Type: Pocket Filter Filter Bag Filter: Outside the Filter Type Cartridge Filter: Wood Pulp Fiber Filter Medium Material: Paper Material: Paper Trademark: dy Transport Package: Two Double Corton Specification: 750 Origin: Shanghai HS Code: 694211223 Product Description More filter material you can choose1.100% cellulose (H&V material)2.80% cellulose+20%polyester (H&V material)3.80% cellulose+20%polyester Flame retardant (H&V material)4.Nano-web5. Nano-web Flame retardant6.Polyester(white,black for choose)7.Polyester+Flame retardant8.Polyester+oil,water resistant9.Polyester+Antistatic10.Polyester+PTFE membrane+Antistatic11.Polyester+PTFE membrane