| Glass Microfiber Filters, Grade 111, Ahlstrom, Closely equivalent to Grade GF/A, Whatman (14) |  |
| Glass Microfiber Filters, Grade 131, Ahlstrom, Closely equivalent to Grade GF/C, Whatman (14) | |
| Glass Microfiber Filters, Grade 141, Ahlstrom, Closely equivalent to Grade GF/D, Whatman (15) | |
| Glass Microfiber Filters, Grade 151, Ahlstrom, Closely equivalent to Grade GF/F, Whatman (15) | |
| Glass Microfiber Filters, Grade 161, Ahlstrom, Closely equivalent to Grade 934AH, Whatman (21) |  |
| Glass Microfiber Filters, Grade 121, Ahlstrom, Closely equivalent to Grade GF/B, Whatman (16) | |
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We only sell & ship chemicals to businesses at commercially zoned locations verified by 3rd party sources. A business at a residence will not be able to buy or receive chemicals at that location. Such businesses will not be able to divert shipment in order to meet our policies. No exceptions.