Lab use 8mm~300mm Porous glass filter disk sintered discs fritted disc_Other filters_Ningbo Ja-Hely Technology Co., Ltd.
Vacuum Filter Kit with Fritted Glass Funnel, 1000ml / Medium flitration: Amazon.com: Industrial & Scientific
CGB-201 - FRITTED FILTER DISCS- Chemglass Life Sciences
Porous Polyethylene PE Sintered Glass Disc Fritted Filter Disk Frit Discs for Fiberglass Spe Pipette Chromatography Column - China Filter Disk and Disc Filter