Pre filter

Variety of sizes and thickness , according the customers requirement.

Remark:

2*20

1*20

2*20

1*20

2*20

1*20

2*20

1*20

2*20

1*20

2*40

1*40

Normal size

M

G4/F5

G4

G4

G3

G3

G2

Filtration class

620

580

550

500

450

380 g/

Dust holding at tested final

120

120

120

120

120

120

Temp.short peaks

100

100

100

100

100

100

Temp.resistance

91%-95%

91%

88%

85%

85%

68%

Avg.arrestance(acc.EN779)

%

250Pa

250Pa

250Pa

250Pa

200Pa

125Pa

Final resistance

58Pa

50Pa

45Pa

35 Pa

30 Pa

20Pa

Initial resistance

20

20

20

20

20

20

initial efficiency%

1 m/S

1 m/S

1.5m/S

2.0m/S

2.0m/S

2.0m/S

air velocity

25mm

20mm

15mm

15mm

10mm

5mm

thickness

POLYESTER

material

GP-500

C36-400

C16-300

PE-200

C16-200

C16-100

model Specification 1Applied to many industry such as pollution controlling , public construction, air-condition ,electronic , pharmacy , food and so on Using 3  Not contain silicon , chemical resisting and anti-acidic 2  Large dust holding capacity , small resistance , long service life and economical 1 )Anti-fractured PET organic synthetic fibre Speciality: