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新产品




新型单格支架适合最薄的净化器组件

来自环球空气净化器® (Universal Air Filter®)的新型超薄单格支架,对于寻找适合薄型、普通空气净化器组件支架的设计工程师来说,是十分完美的解决方案,同时确保整个横断面的光滑设计。
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超薄空气净化器全新亮相


就在推出最薄空气过滤介质之后的短短数月,目前环球空气净化器提供0.125英寸厚的净化器设计,适合在更小空间需要安装净化器的任何行业或市场。
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推出最薄过滤介质满足 UL 94


环球空气净化器已研制出符合UL 94 HF-1级的最薄介质。新型0.12英寸厚方形泡沫是医疗,发电、军工电子,电信等行业的理想之选,同时应用于空间狭小、要求防火防尘和空气流通的场所。
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低成本、可重复使用的空气净化器框架


当必需品的价格只涨不跌的时候,环球空气净化器已开发出一种可重复使用的翻盖式或薄信封式空气净化器框架,使客户能够更换空气净化器介质,从而较低维护费用。
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推出空气净化器新技术


最近,环球空气净化器宣布开始生产符合UL94 HF-1评级的80 PPI 方形泡沫介质,从而成为高孔隙介质类唯一一家商用空调净化器生产厂商,符合首选的自熄阻燃安全标准。
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推出新型黑色 方形泡沫 II 介质


环球空气净化器公司专注于为电信、服务器、医疗,发电和工业应用等领域,定制空气净化器。最近公司宣布其新产品黑色方形泡沫II介质,专为世界各地室内外恶劣的环境而设计。
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QUADRAFOAM
FILTRATION PERFORMANCE DATA

Models
FF-2X, FF-3, FF-5, FF-1025-B, Windowpane, Flex-Frame, Dual/EMI
0.25 in (6,35 mm)
Thick Foam Media

 

Models
FF-5X, FF-1050B, Windowpane, Flex-Frame, Dual/EMI
0.50 in (12,70 mm)
Thick Foam Media

 

Models
FF-2X, Windowpane, Flex-Frame, Dual/EMI
0.125 in (3,18 mm)
Thick Foam Media

10
PPI

25
PPI

45
PPI

60
PPI

 

10
PPI

25
PPI

45
PPI

60
PPI

 

45
PPI

80
PPI

Inital Resistance[in inches water gauge] (Pascals)

0.01
(2,49)

0.05
(12,44)

0.07
(17,41)

0.12
(29,84)

 

0.03
(7,46)

0.08
(19,89)

0.16
(39,78)

0.25
(62,16)

 

0.04
(9,95)

0.12
(29,84)

 

Average Synthetic Dust Weight Arrestance (percent)

38

66

80

82

 

63

83

91

91

 

65

81

Tests performed according to ASHRAE Standard 52.1 -1992 
at 300 feet per minute (1,53 m/s) face velocity.

QUADRAFOAM II
FILTRATION PERFORMANCE DATA

Models
FF-2X, FF-3, FF-5, FF-1025-B, Windowpane, Flex-Frame, Dual/EMI
0.25 in (6,35 mm)
Thick Foam Media

 

Models
FF-5X, FF-1050B, Windowpane, Flex-Frame, Dual/EMI
0.50 in (12,70 mm)
Thick Foam Media

 

Models
FF-2X, Windowpane, Flex-Frame, Dual/EMI
0.125 in (3,18 mm)
Thick Foam Media

10
PPI

30
PPI

45
PPI

 

10
PPI

30
PPI

45
PPI

 

45
PPI

80
PPI

Inital Resistance[in inches water gauge] (Pascals)

0.01
(2,49)

0.05
(12,44)

0.07
(17,41)

 

0.03
(7,46)

0.09
(22,38)

0.16
(39,78)

 

0.04
(9,95)

0.12
(29,84)

 

Average Synthetic Dust Weight Arrestance (percent)

38

66

80

 

63

83

91

 

65

81

Tests performed according to ASHRAE Standard 52.1 -1992 
at 300 feet per minute (1,53 m/s) face velocity.

EMI VENT PANEL
FILTRATION PERFORMANCE DATA

Models
HC-2X, Windowpane 0.125 in (3,18) x 0.125 in (3,18)
Thick Foam Media

 

Models
HC-3, WINDOWPANE 0.125 in (3,18) x 0.25in (6,35mm)
Thick Foam Media

 

Models
HC-5X 0.125 in (3,18) x 0.50in (12,70mm)
Thick Foam Media

Inital Resistance[in inches water gauge] (Pascals)

0.005
(1,24)

 

0.007
(1,74)

 

0.01
(2,49)

 

Tests performed according to ASHRAE Standard 52.1 -1992 
at 300 feet per minute (1,53 m/s) face velocity.

DUAL EMI AIR FILTERS - QUADRAFOAM
FILTRATION PERFORMANCE DATA

Models
FF-2X, FF-3, FF-5, FF-1025-B, Windowpane, Flex-Frame, Dual/EMI
0.25 in (6,35 mm)

Thick Foam Media

 

Models
FF-5X, FF-1050B, Windowpane, Flex-Frame, Dual/EMI
0.50 in (12,70 mm)

Thick Foam Media

 

Models
FF-2X, Windowpane, Flex-Frame, Dual/EMI
0.125 in (3,18 mm)

Thick Foam Media

10
PPI

25
PPI

45
PPI

60
PPI

 

10
PPI

25
PPI

45
PPI

60
PPI

 

45
PPI

80
PPI

Inital Resistance[in inches water gauge] (Pascals)

0.01
(2,49)

0.05
(12,44)

0.07
(17,41)

0.12
(29,84)

 

0.03
(7,46)

0.08
(19,89)

0.16
(39,78)

0.25
(62,16)

 

0.04
(9,95)

0.12
(29,84)

 

Average Synthetic Dust Weight Arrestance (percent)

38

66

80

82

 

63

83

91

91

 

65

81

Tests performed according to ASHRAE Standard 52.1 -1992 
at 300 feet per minute (1,53 m/s) face velocity.

DUAL EMI AIR FILTERS - POLYESTER
FILTRATION PERFORMANCE DATA

Models
PE-2X, PE-3, PE-5, PE-1025-B, PFPE-25, Windowpane
UFM-25 --
0.25 In (6,35 mm)
Thick Foam Media

 

Models
PE-3, PE-5X, PE-1050-B, PFPE-50, Windowpane
UFM-50 / UPR --
0.50 in (12,70 mm)
Thick Foam Media

 

Models
PE-5X, PE-1050-B, Windowpane
UFM-100 --
1.00 in
(25,40 mm)
Thick Foam Media

UFM-25

UFM-50

UPR

UFM-100

UPR

Inital Resistance[in inches water gauge] (Pascals)

0.07
(17,41)

0.10 (24,86)

0.14 (34,81)

0.14
(34,81)

0.14
(34,81)

 

Average Synthetic Dust Weight Arrestance (percent)

74

80

83

89

83

Tests performed according to ASHRAE Standard 52.1 -1992 
at 300 feet per minute (1,53 m/s) face velocity.

DUAL EMI AIR FILTERS - UNIFOAM
FILTRATION PERFORMANCE DATA

Models
FF-2X, FF-3, FF-5, FF-1025-B, Windowpane, Flex-Frame, Dual/EMI
0.25 in (6,35 mm)
Thick Foam Media

 

Models
FF-5X, FF-1050B, Windowpane, Flex-Frame, Dual/EMI
0.50 in (12,70 mm)
Thick Foam Media

 

Models
FF-2X, Windowpane, Flex-Frame, Dual/EMI
0.125 in (3,18 mm)
Thick Foam Media

10
PPI

25
PPI

45
PPI

60
PPI

 

10
PPI

25
PPI

45
PPI

60
PPI

 

45
PPI

80
PPI

Inital Resistance[in inches water gauge] (Pascals)

0.01
(2,49)

0.03 (7,46)

0.07
(17,41)

0.12
(29,84)

 

0.03
(7,46)

0.08
(19,89)

0.16
(39,78)

0.25
(62,16)

 

0.04
(9,95)

0.12
(29,84)

 

Average Synthetic Dust Weight Arrestance (percent)

38

63

80

82

 

63

83

91

91

 

65

81

Tests performed according to ASHRAE Standard 52.1 -1992 
at 300 feet per minute (1,53 m/s) face velocity.

DUAL EMI AIR FILTERS - QUADRAFOAM II
FILTRATION PERFORMANCE DATA

Models
FF-2X, FF-3, FF-5, FF-1025-B, Windowpane, Flex-Frame, Dual/EMI
0.25 in (6,35 mm)
Thick Foam Media

 

Models
FF-5X, FF-1050B, Windowpane, Flex-Frame, Dual/EMI
0.50 in (12,70 mm)
Thick Foam Media

 

Models
FF-2X, Windowpane, Flex-Frame, Dual/EMI
0.125 in
(3,18 mm)
Thick Foam Media

10
PPI

30
PPI

45
PPI

 

10
PPI

30
PPI

45
PPI

 

45
PPI

80
PPI

Inital Resistance[in inches water gauge] (Pascals)

0.01
(2,49)

0.05
(12,44)

0.07
(17,41)

 

0.03
(7,46)

0.09
(22,38)

0.16
(39,78)

 

0.04
(9,95)

0.12
(29,84)

 

Average Synthetic Dust Weight Arrestance (percent)

38

66

80

 

63

83

91

 

65

81

Tests performed according to ASHRAE Standard 52.1 -1992 
at 300 feet per minute (1,53 m/s) face velocity.

WINDOWPANE AIR FILTERS - QUADRAFOAM
FILTRATION PERFORMANCE DATA

Models
FS-XX25
0.25 in (6,35 mm)
Thick Foam Media

 

Models
FS-XX50
0.50 in (12,70 mm)
Thick Foam Media

 

Models
FS-XX12
0.125 in (3,18 mm)
Thick Foam Media

10
PPI

25
PPI

45
PPI

60
PPI

 

10
PPI

25
PPI

45
PPI

60
PPI

 

45
PPI

80
PPI

Inital Resistance[in inches water gauge] (Pascals)

0.01
(2,49)

0.05
(12,44)

0.07
(17,41)

0.12
(29,84)

 

0.03
(7,46)

0.08
(19,89)

0.16
(39,78)

0.25
(62,16)

 

0.04
(9,95)

0.12
(29,84)

 

Average Synthetic Dust Weight Arrestance (percent)

38

66

80

82

 

63

83

91

91

 

65

81

Tests performed according to ASHRAE Standard 52.1 -1992 
at 300 feet per minute (1,53 m/s) face velocity.

WINDOWPANE AIR FILTERS - POLYESTER
FILTRATION PERFORMANCE DATA

Models
FS-XX25
UFM-25 --
0.25 In (6,35 mm)
Thick Foam Media

 

Models
FS-XX50
0.50 in (12,70 mm)
Thick Foam Media

 

Models
FS-XX12
1.00 in
(25,40 mm)
Thick Foam Media

UFM-25

UFM-50

UPR

UFM-
100

UPR

Inital Resistance[in inches water gauge] (Pascals)

0.07
(17,41)

0.10
(24,86)

0.14
(34,81)

0.14
(34,81)

0.14
(34,81)

 

Average Synthetic Dust Weight Arrestance (percent)

74

80

83

89

83

Tests performed according to ASHRAE Standard 52.1 -1992 
at 300 feet per minute (1,53 m/s) face velocity.

WINDOWPANE AIR FILTERS - UNIFOAM
FILTRATION PERFORMANCE DATA

Models
FS-XX25
0.25 in (6,35 mm)
Thick Foam Media

 

Models
FS-XX50
0.50 in (12,70 mm)
Thick Foam Media

 

Models
FS-XX12
0.125 in (3,18 mm)
Thick Foam Media

10
PPI

25
PPI

45
PPI

60
PPI

 

10
PPI

25
PPI

45
PPI

60
PPI

 

45
PPI

80
PPI

Inital Resistance[in inches water gauge] (Pascals)

0.01
(2,49)

0.03 (7,46)

0.07
(17,41)

0.12
(29,84)

 

0.03
(7,46)

0.08
(19,89)

0.16
(39,78)

0.25
(62,16)

 

0.04
(9,95)

0.12
(29,84)

 

Average Synthetic Dust Weight Arrestance (percent)

38

63

80

82

 

63

83

91

91

 

65

81

Tests performed according to ASHRAE Standard 52.1 -1992 
at 300 feet per minute (1,53 m/s) face velocity.

WINDOWPANE AIR FILTERS - QUADRAFOAM II
FILTRATION PERFORMANCE DATA

Models
FS-XX25
0.25 in (6,35 mm)
Thick Foam Media

 

Models
FS-XX50
0.50 in (12,70 mm)
Thick Foam Media

 

Models
FS-XX12
0.125 in
(3,18 mm)
Thick Foam Media

10
PPI

30
PPI

45
PPI

 

10
PPI

30
PPI

45
PPI

 

45
PPI

80
PPI

Inital Resistance[in inches water gauge] (Pascals)

0.01
(2,49)

0.05
(12,44)

0.07
(17,41)

 

0.03
(7,46)

0.09
(22,38)

0.16
(39,78)

 

0.04
(9,95)

0.12
(29,84)

 

Average Synthetic Dust Weight Arrestance (percent)

38

66

80

 

63

83

91

 

65

81

Tests performed according to ASHRAE Standard 52.1 -1992 
at 300 feet per minute (1,53 m/s) face velocity.

PYROCIDE VENT PANELS
FILTRATION PERFORMANCE DATA

Models
HC-2X, Windowpane 0.125 in (3,18) x 0.125 in (3,18)
Thick Foam Media

Models
HC-3, WINDOWPANE 0.125 in (3,18) x 0.25in (6,35mm)
Thick Foam Media

Models
HC-5X 0.125 in (3,18) x 0.50in (12,70mm)
Thick Foam Media

Inital Resistance[in inches water gauge] (Pascals)

0.006
(1,49)

 

0.008
(1,99)

 

0.01
(2,49)

 

Tests performed according to ASHRAE Standard 52.1 -1992 
at 300 feet per minute (1,53 m/s) face velocity.

FLEX-FRAME AIR FILTERS - QUADRAFOAM
FILTRATION PERFORMANCE DATA

Models
FF-2X, FF-3, FF-5, FF-1025-B, Windowpane, Flex-Frame, Dual/EMI
0.25 in (6,35 mm)
Thick Foam Media

 

Models
FF-5X, FF-1050B, Windowpane, Flex-Frame, Dual/EMI
0.50 in (12,70 mm)
Thick Foam Media

 

Models
FF-2X, Windowpane, Flex-Frame, Dual/EMI
0.125 in (3,18 mm)
Thick Foam Media

10
PPI

25
PPI

45
PPI

60
PPI

 

10
PPI

25
PPI

45
PPI

60
PPI

 

45
PPI

80
PPI

Inital Resistance[in inches water gauge] (Pascals)

0.01
(2,49)

0.05
(12,44)

0.07
(17,41)

0.12
(29,84)

 

0.03
(7,46)

0.08
(19,89)

0.16
(39,78)

0.25
(62,16)

 

0.04
(9,95)

0.12
(29,84)

 

Average Synthetic Dust Weight Arrestance (percent)

38

66

80

82

 

63

83

91

91

 

65

81

Tests performed according to ASHRAE Standard 52.1 -1992 
at 300 feet per minute (1,53 m/s) face velocity.

FLEX-FRAME AIR FILTERS - UNIFOAM
FILTRATION PERFORMANCE DATA

Models
FF-2X, FF-3, FF-5, FF-1025-B, Windowpane, Flex-Frame, Dual/EMI
0.25 in (6,35 mm)
Thick Foam Media

 

Models
FF-5X, FF-1050B, Windowpane, Flex-Frame, Dual/EMI
0.50 in (12,70 mm)
Thick Foam Media

 

Models
FF-2X, Windowpane, Flex-Frame, Dual/EMI
0.125 in (3,18 mm)
Thick Foam Media

10
PPI

25
PPI

45
PPI

60
PPI

 

10
PPI

25
PPI

45
PPI

60
PPI

 

45
PPI

80
PPI

Inital Resistance[in inches water gauge] (Pascals)

0.01
(2,49)

0.03 (7,46)

0.07
(17,41)

0.12
(29,84)

 

0.03
(7,46)

0.08
(19,89)

0.16
(39,78)

0.25
(62,16)

 

0.04
(9,95)

0.12
(29,84)

 

Average Synthetic Dust Weight Arrestance (percent)

38

63

80

82

 

63

83

91

91

 

65

81

Tests performed according to ASHRAE Standard 52.1 -1992 
at 300 feet per minute (1,53 m/s) face velocity.

FLEX-FRAME AIR FILTERS - QUADRAFOAM II
FILTRATION PERFORMANCE DATA

Models
FF-2X, FF-3, FF-5, FF-1025-B, Windowpane, Flex-Frame, Dual/EMI
0.25 in (6,35 mm)
Thick Foam Media

 

Models
FF-5X, FF-1050B, Windowpane, Flex-Frame, Dual/EMI
0.50 in (12,70 mm)
Thick Foam Media

 

Models
FF-2X, Windowpane, Flex-Frame, Dual/EMI
0.125 in
(3,18 mm)
Thick Foam Media

10
PPI

30
PPI

45
PPI

 

10
PPI

30
PPI

45
PPI

 

45
PPI

80
PPI

Inital Resistance[in inches water gauge] (Pascals)

0.01
(2,49)

0.05
(12,44)

0.07
(17,41)

 

0.03
(7,46)

0.09
(22,38)

0.16
(39,78)

 

0.04
(9,95)

0.12
(29,84)

 

Average Synthetic Dust Weight Arrestance (percent)

38

66

80

 

63

83

91

 

65

81

Tests performed according to ASHRAE Standard 52.1 -1992 
at 300 feet per minute (1,53 m/s) face velocity.

POLYESTER AIR FILTERS
FILTRATION PERFORMANCE DATA

Models
PE-2X, PE-3, PE-5, PE-1025-B, Polyfold, Windowpane UFM-25 -- 0.25 In (6,35 mm)
Thick Foam Media

Models
PE-3, PE-5X, PE-1050-B, Polyfold, Windowpane UFM-50 / UPR -- 0.50 in (12,70 mm)
Thick Foam Media

Models
PE-5X, PE-1050-B, Polyfold, Windowpane UFM-100 -- 1.00 in (25,40 mm)
Thick Foam Media

UFM-25

UFM-50

UPR

UFM-
100

UPR

Inital Resistance[in inches water gauge] (Pascals)

0.07
(17,41)

0.10
(24,86)

0.14
(34,81)

0.14
(34,81)

0.14
(34,81)

 

Average Synthetic Dust Weight Arrestance (percent)

74

80

83

89

83

Tests performed according to ASHRAE Standard 52.1 -1992 
at 300 feet per minute (1,53 m/s) face velocity.

POLYFOLD AIR FILTERS - QUADRAFOAM
FILTRATION PERFORMANCE DATA

Models
PF-1025, PF-2525, PF-4525, PF-6025
0.25 in (6,35 mm)
Thick Foam Media

 

Models
PF-1050, PF-2550, PF-4550, PF-6050
0.50 in (12,70 mm)

Thick Foam Media

 

Models
PF-1012, PF-2512, PF-4512, PF-6012
0.125 in (3,18 mm)

Thick Foam Media

10
PPI

25
PPI

45
PPI

60
PPI

 

10
PPI

25
PPI

45
PPI

60
PPI

 

45
PPI

80
PPI

Inital Resistance[in inches water gauge] (Pascals)

0.01
(2,49)

0.04 (9,95)

0.05 (12,44)

0.10 (24,87)

 

0.03 (7,46)

0.07 (17,41)

0.12 (29,84)

0.25 (62,16)

 

0.03
(7,46)

0.10
(24,87)

 

Average Synthetic Dust Weight Arrestance (percent)

38

66

80

82

 

63

83

91

91

 

65

81

Tests performed according to ASHRAE Standard 52.1 -1992 
at 300 feet per minute (1,53 m/s) face velocity.

POLYFOLD AIR FILTERS - POLYESTER
FILTRATION PERFORMANCE DATA

Models
PFPE-25
UFM-25 -- 0.25 In (6,35 mm)
Thick Foam Media

 

Models
PFPE-50
UFM-50 / UPR -- 0.50 in (12,70 mm)
Thick Foam Media

 

Models
PFPE-100
UFM-100 -- 1.00 in (25,40 mm)
Thick Foam Media

UFM-25

UFM-50

UFM-100

Inital Resistance[in inches water gauge] (Pascals)

0.05
(12,44)

0.09
(22,38)

0.12
(29,84)

 

Average Synthetic Dust Weight Arrestance (percent)

74

88

89

Tests performed according to ASHRAE Standard 52.1 -1992 
at 300 feet per minute (1,53 m/s) face velocity.

POLYFOLD AIR FILTERS - UNIFOAM
FILTRATION PERFORMANCE DATA

Models
PF-1025, PF-2525, PF-4525, PF-6025
0.25 in (6,35 mm)
Thick Foam Media

 

Models
PF-1050, PF-2550, PF-4550, PF-6050
0.50 in (12,70 mm)

Thick Foam Media

 

Models
PF-1012, PF-2512, PF-4512, PF-6012
0.125 in (3,18 mm)

Thick Foam Media

10
PPI

25
PPI

45
PPI

60
PPI

 

10
PPI

25
PPI

45
PPI

60
PPI

 

45
PPI

80
PPI

Inital Resistance[in inches water gauge] (Pascals)

0.01
(2,49)

0.04 (9,95)

0.05 (12,44)

0.10 (24,87)

 

0.03 (7,46)

0.07 (17,41)

0.12 (29,84)

0.25 (62,16)

 

0.03
(7,46)

0.10
(24,87)

 

Average Synthetic Dust Weight Arrestance (percent)

38

66

80

82

 

63

83

91

91

 

65

81

Tests performed according to ASHRAE Standard 52.1 -1992 
at 300 feet per minute (1,53 m/s) face velocity.

POLYFOLD AIR FILTERS - QUADRAFOAM II
FILTRATION PERFORMANCE DATA

Models
PF-1025, PF-2525, PF-4525, PF-6025
0.25 in (6,35 mm)
Thick Foam Media

 

Models
PF-1050, PF-2550, PF-4550, PF-6050
0.50 in (12,70 mm)
Thick Foam Media

 

Models
PF-1012, PF-2512, PF-4512, PF-6012
0.125 in
(3,18 mm)
Thick Foam Media

10
PPI

30
PPI

45
PPI

 

10
PPI

30
PPI

45
PPI

 

45
PPI

80
PPI

Inital Resistance[in inches water gauge] (Pascals)

0.01
(2,49)

0.04 (9,95)

0.05 (12,44)

 

0.03 (7,46)

0.07 (17,41)

0.12 (29,84)

 

0.03
(7,46)

0.10
(24,87)

 

Average Synthetic Dust Weight Arrestance (percent)

38

66

80

 

63

83

91

 

65

81

Tests performed according to ASHRAE Standard 52.1 -1992 
at 300 feet per minute (1,53 m/s) face velocity.

UNIFOAM AIR FILTERS
FILTRATION PERFORMANCE DATA

Models
FF-2X, FF-3, FF-5, FF-1025-B, Windowpane, Flex-Frame, Dual/EMI
0.25 in (6,35 mm)
Thick Foam Media

 

Models
FF-5X, FF-1050B, Windowpane, Flex-Frame, Dual/EMI
0.50 in (12,70 mm)
Thick Foam Media

 

Models
FF-2X, Windowpane, Flex-Frame, Dual/EMI
0.125 in (3,18 mm)
Thick Foam Media

10
PPI

25
PPI

45
PPI

60
PPI

 

10
PPI

25
PPI

45
PPI

60
PPI

 

45
PPI

80
PPI

Inital Resistance[in inches water gauge] (Pascals)

0.01
(2,49)

0.03
(7,46)

0.07
(17,41)

0.12
(29,84)

 

0.03
(7,46)

0.08
(19,89)

0.16
(39,78)

0.25
(62,16)

 

0.04
(9,95)

0.12
(29,84)

 

Average Synthetic Dust Weight Arrestance (percent)

38

63

80

82

 

63

83

91

91

 

65

81

Tests performed according to ASHRAE Standard 52.1 -1992 
at 300 feet per minute (1,53 m/s) face velocity.

METAL MESH
FILTRATION PERFORMANCE DATA

Models
FF-2X, FF-3, FF-5, FF-1025-B, Windowpane
0.25 in (6,35 mm)
Thick Metal Mesh Media

 

Models
FF-5X, FF-1050B, Windowpane
0.50 in (12,70 mm)
Thick Metal Mesh Media

Initial Resistance[in inches water gauge] (Pascals)

0.07
(17,41)

 

0.14
(34,82)

 

Average Synthetic Dust Weight Arrestance (percent)

46

 

62

Tests performed according to ASHRAE Standard 52.1 -1992
at 300 feet per minute (1,53 m/s) face velocity.