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Filtration


Filtration

CPI International offers an array of filtration products including glass micro-fiber filters, cellulose filter paper, and syringe filters.

Looking for pre-weighed TSS filters or TCLP filters? Find those products in our Wet Chemistry section.

For inquiries and assistance, you can reach us at 1 800-878-7654 (Customer Service Line), 707-525-5788 (California) or email [email protected].


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2026 Variant Price List
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Filtration

[4390-014150] Cellulose Filter Paper, Qualitative Grade 4, 15.0cm, 100/pk
Cellulose Filter Paper, Qualitative Grade 4, 15.0cm, 100/pk
$ 29.00 29.0 USD
[4390-014090] Cellulose Filter Paper, Qualitative Grade 4, 9.0cm, 100/pk
Cellulose Filter Paper, Qualitative Grade 4, 9.0cm, 100/pk
Item number 4390-014090
$ 15.00 15.0 USD
[4390-240110] Cellulose Filter Paper, Quantitative Grade CFP40, 11.0cm, 100/pk
Cellulose Filter Paper, Quantitative Grade CFP40, 11.0cm, 100/pk
Item number 4390-240110
$ 32.00 32.0 USD
[4390-241125] Cellulose Filter Paper, Quantitative Grade CFP41, 12.5cm, 100/pk
Cellulose Filter Paper, Quantitative Grade CFP41, 12.5cm, 100/pk
Item number 4390-241125
$ 32.00 32.0 USD
[4390-240125] Cellulose Filter Paper, Quantitative Grade CFP40, 12.5cm, 100/pk
Cellulose Filter Paper, Quantitative Grade CFP40, 12.5cm, 100/pk
$ 51.00 51.0 USD
[4390-011110] Cellulose Filter Paper, Qualitative Grade 1, 11.0cm, 100/pk
Cellulose Filter Paper, Qualitative Grade 1, 11.0cm, 100/pk
Item number 4390-011110
$ 29.00 29.0 USD
[4390-241185] Cellulose Filter Paper, Quantitative Grade CFP41, 18.5cm, 100/pk
Cellulose Filter Paper, Quantitative Grade CFP41, 18.5cm, 100/pk
$ 60.00 60.0 USD
[4391-041047] Glass microfiber filters, Grade C, 47mm, 100/pk
Glass microfiber filters, Grade C, 47mm, 100/pk
Item number 4391-041047
$ 67.00 67.0 USD
[4391-071047] Glass microfiber filters, Grade F, 47mm, 100/pk
Glass microfiber filters, Grade F, 47mm, 100/pk
Item number 4391-071047
$ 112.00 112.0 USD
[4391-051047] Glass microfiber filters, Grade D, 47mm, 100/pk
Glass microfiber filters, Grade D, 47mm, 100/pk
Item number 4391-051047
$ 41.00 41.0 USD
[4391-031047] Glass microfiber filters, Grade B, 47mm, 100/pk
Glass microfiber filters, Grade B, 47mm, 100/pk
$ 89.00 89.0 USD
[4391-061047] Glass microfiber filters, Grade E, 47mm, 100/pk
Glass microfiber filters, Grade E, 47mm, 100/pk
$ 30.00 30.0 USD
[4391-021047] Glass microfiber filters, Grade A, 47mm, 100/pk
Glass microfiber filters, Grade A, 47mm, 100/pk
Item number 4391-021047
$ 44.00 44.0 USD
[4392-02225MC] MCE Membrane Filter, non-sterile, 0.22μm, 25mm, 100/pk
MCE Membrane Filter, non-sterile, 0.22μm, 25mm, 100/pk
Item number 4392-02225MC
$ 52.50 52.5 USD
[4392-02247MC] MCE Membrane Filter, non-sterile, 0.22μm, 47mm, 100/pk
MCE Membrane Filter, non-sterile, 0.22μm, 47mm, 100/pk
$ 79.00 79.0 USD
[4392-04547] MCE Membrane Filter, non-sterile, 0.45μm, 47mm, 100/pk
MCE Membrane Filter, non-sterile, 0.45μm, 47mm, 100/pk
$ 87.00 87.0 USD
[4392-08025MC] MCE Membrane Filter, non-sterile, 0.80μm, 25mm, 100/pk
MCE Membrane Filter, non-sterile, 0.80μm, 25mm, 100/pk
Item number 4392-08025MC
$ 61.00 61.0 USD
[4392-04525] MCE Membrane Filter, non-sterile, 0.45μm, 25mm, 100/pk
MCE Membrane Filter, non-sterile, 0.45μm, 25mm, 100/pk
Item number 4392-04525
$ 63.00 63.0 USD
[4392-08047] MCE Membrane Filter, non-sterile, 0.80μm, 47mm, 100/pk
MCE Membrane Filter, non-sterile, 0.80μm, 47mm, 100/pk
$ 85.00 85.0 USD
[4392-14547-2] MCE Membrane Filter, sterile, gridded, 0.45μm, 47mm, 200/pk
MCE Membrane Filter, sterile, gridded, 0.45μm, 47mm, 200/pk
$ 161.00 161.0 USD