90 mm Single Stage Filter Assembly, 5/8" x 1" x 5/8" x 1", Ultem® Clamp
90MM Quartz Microfiber Filter, 100/PK | Zefon International
90mm Glass Filtration Set, 1000ml Funnel with PTFE Coated Stainless Steel Support | Southern Labware
12 Synthetic Filter Discs 90mm for a Buchner Funnel and Cut Them fit"Wide Mouth" Size Used for Mushroom Cultivation: Amazon.com: Industrial & Scientific
Aluminum Clamp for 90mm Vacuum Filter Assembly (74100-96) - Analytical Sales and Services, Inc.
PRORAM Performance Induction Universal Air Filter - 90MM ID Reducing Rings Inc 5056185614322 | eBay