Sintered Filter Disc – Cleanable, Non-Fiber and Particle Releasing
Stacked disc cartridges for particle and microbe removal | Eaton
Rimmed & Unrimmed Pleated Filter Disc – Extended Filtration Area
12 Synthetic Filter Discs 90mm for a Buchner Funnel and Cut Them fit"Wide Mouth" Size Used for Mushroom Cultivation: Amazon.com: Industrial & Scientific