Amazon.com: Synthetic Filter Discs 90 mm, Wide Mouth Size, for a Buchner Funnel, Mushroom Cultivation, High Temperature and High Pressure Resistance (16 Pieces) : Industrial & Scientific
0.2 µm PES Supor® EX ECV Filter Discs - Biotech | Pall Shop
Disc Filters for Industrial Applications - Sidco Filter
Shop-Vac 3-Pack Reusable Large Dry Shop Vacuum Disc Filter at Lowes.com
Sintered Filter Disc – Cleanable, Non-Fiber and Particle Releasing