<https://www.masiyelabs.co.za/product/buchner-funnel-porcelain-70mm/#product>
<http://schema.org/description>
"Buchner Funnel, Porcelain 70m\r\n\r\nThis Buchner funnel has a fixed perforated plate, straight sides, and slightly tapered stem. For easy clean up, the funnel is fully glazed, except for top edge.\r\n\r\n&amp;nbsp;"
<https://www.masiyelabs.co.za/product/buchner-funnel-porcelain-70mm/>