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$35.90
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$32.54
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Whatman 1440-042 Filter Circles, 42.5mm Dia, Ashless Grade 40, 100/pk (PN:1440-042)

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GR 40 4.25CM 100/PKQuantitative Filter Papers - Ashless Grade 40 circles, 42.5 mm, 100/pk The classic general purpose ashless filter paper with med...

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$35.90
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$32.54
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$32.54
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$28.77
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$28.77
$26.09
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$26.09

Whatman 1441-042 Filter Circles, 42.5mm Dia, Ashless Grade 41, 100/pk (PN:1441-042)

Whatman
In stock

GR 41 4.25CM 100/PKQuantitative Filter Papers - Ashless Grade 41 circles, 42.5 mm, 100/pk The fastest ashless filter paper, recommended for analyti...

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$28.77
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$26.09
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$26.09
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$30.48
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$30.48
$27.62
$27.62 - $27.62
$27.62

Whatman 1442-042 Filter Circles, 42.5mm Dia, Ashless Grade 42, 100/pk (PN:1442-042)

Whatman
In stock

GR 42 4.25CM 100/PKQuantitative Filter Papers - Ashless Grade 42 circles, 42.5 mm, 100/pk A world standard for critical gravimetric analysis with t...

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$30.48
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$27.62
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$27.62
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$30.48
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$30.48
$27.62
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$27.62

Whatman 1450-042 Filter Circles, 42.5mm Dia, Hardened Low Ash Grade 50, 100/pk (PN:1450-042)

Whatman
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GR 50 4.25CM 100/PKQuantitative Filter Papers - Hardened Low Ash Grade 50 circles, 42.5 mm 100/pk Retention of very fine crystalline precipitates. ...

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$30.48
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$27.62
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$27.62
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$32.22
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$32.22
$29.21
$29.21 - $29.21
$29.21

Whatman 1540-042 Filter Circles, 42.5mm Dia, Hardened Ashless Grade 540, 100/pk (PN:1540-042)

Whatman
In stock

GR 540 4.25CM 100/PKQuantitative Filter Papers - Hardened Ashless Grade 540 Circles, 42.5 mm 100/pk The general purpose hardened ashless filter pap...

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$32.22
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$29.21
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$29.21
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$32.22
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$32.22
$29.21
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$29.21

Whatman 1541-042 Filter Circles, 42.5mm Dia, Hardened Ashless Grade 541, 100/pk (PN:1541-042)

Whatman
In stock

GR 541 4.25CM 100/PKQuantitative Filter Papers - Hardened Ashless Grade 541 Circles, 42.5 mm 100/pk. Fast filtration of coarse particles and gelati...

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$32.22
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$32.22
$29.21
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$29.21
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$59.25
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$59.25
$53.71
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$53.71

Whatman 1820-042 Filter Circles, 42.5mm Dia, Binder Free Grade GF/A, 100/pk (PN:1820-042)

Whatman
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GF/A 4.25CM 100/PKGlass Microfiber Binder Free Grade GF/A circles, 42.5 mm, 100/pk. Offers fine particle retention and high flow rate, as well as g...

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$59.25
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$53.71
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$121.23
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$121.23
$109.89
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$109.89

Whatman 1821-042 Filter Circles, 42.5mm Dia, Binder Free Grade GF/B, 100/pk (PN:1821-042)

Whatman
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GF/B 4.25CM 100/PKGlass Microfiber Binder Free Grade GF/B circles, 42.5 mm, 100/pk. Three times thicker than GF/A with higher wet strength and sign...

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$121.23
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$121.23
$109.89
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$109.89
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$108.52
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$108.52
$98.37
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$98.37

Whatman 1822-042 Filter Circles, 42.5mm Dia, Binder Free Grade GF/C, 100/pk (PN:1822-042)

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In stock

GF/C 4.25CM 100/PKGlass Microfiber Binder Free Grade GF/C circles, 42.5 mm, 100/pk. Is the standard filter in many parts of the world for the colle...

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$108.52
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$108.52
$98.37
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$98.37
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$70.83
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$70.83
$64.22
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$64.22

Whatman 1823-042 Filter Circles, 42mm Dia, Binder Free Grade GF/D, 100/pk (PN:1823-042)

Whatman
In stock

GF/D 4.25CM 100/PKGlass Microfiber Binder Free Grade GF/D circles, 42.5 mm, 100/pk. Considerably faster in flow rate and overall filtration speed t...

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$70.83
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$70.83
$64.22
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$64.22
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$203.00
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$203.00
$184.01
$184.01 - $184.01
$184.01

Whatman 1825-042 Filter Circles, 42.5mm Dia, Binder Free Grade GF/F, 100/pk (PN:1825-042)

Whatman
In stock

GF/F 4.25CM 100/PKGlass Microfiber Binder Free Grade GF/F circles, 42.5 mm, 100/pk. This high-efficiency filter will retain fine particles down to ...

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$203.00
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$203.00
$184.01
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$184.01
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$58.09
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$58.09
$52.66
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$52.66

Whatman 1827-042 Filter Circles, 42.5mm Dia, Binder Free Grade 934-AH, 100/pk (PN:1827-042)

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In stock

934-AH 4.25CM 100/PKGlass Microfiber Binder Free Grade 934-AH circles, 42.5 mm, 100/pk. The fine particle retention of this popular grade is superi...

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$58.09
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$58.09
$52.66
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$52.66
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$132.01
$132.01 - $132.01
$132.01
$119.67
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$119.67

Whatman 3827-042 Glass Microfiber Filter Papers Grade 934-AH RTU, 42.5mm, 100/pk

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$132.01
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$132.01
$119.67
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$119.67
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$111.88
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$111.88
$101.41
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$101.41

Whatman 4827-042 Glass Microfiber Filter Papers Grade 934-AH RTU, 42.5 mm, 100/pk

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$111.88
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$111.88
$101.41
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$101.41
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$133.43
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$133.43
$126.36
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$126.36

Whatman 9907-024 Filter Circles, 42.5mm Dia, Grade 934-AH RTU, 100/pk

Whatman
In stock

934 AH Ready to Use, 24MM 100/PK

$133.43
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$133.43
$126.36
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$126.36
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