Pall 4012 47 mm Glass Filter Funnel with Sidearm Support Assembly & Flask (1 L Funnel with 4 L Flask), Pack of 1: Amazon.com: Industrial & Scientific
Pyrex™ Borosilicate Glass Vacuum Filter Flask with Side Arm Capacity: 5000mL Pyrex™ Borosilicate Glass Vacuum Filter Flask with Side Arm | Fisher Scientific
GF/A Glass Fiber Filter Paper Whatman Filter Membrane Battery Separator 1.6um 1820-866/915 Use For Atmospheric Monitoring - AliExpress
GF/A Glass Fiber Filter Paper Whatman Filter Membrane Battery Separator 1.6um 1820-866/915 Use For Atmospheric Monitoring - AliExpress