Rubber Tubing Coupler | Pond Fittings | The Pond Guy
BrassCraft 3.625 in. Rubber Dishwasher Branch Connector BC0475 - The Home Depot
7 Piece Filter Adapter Tapered Cones Set - Designed for Use with Buchner Funnels - Multiple Sizes - Neoprene Rubber - Eisco Labs: Amazon.com: Industrial & Scientific
R-ep Reduce Adapter For 76mm 3inch Cone Air Filter 77mm To 70mm 65mm 60mm Universal Rubber Reducing Ring 3inch To 2.75inch 2.5'' - Air Intakes Parts - AliExpress
S605 - Standard Rubber Adapter for 1.60" Cone - Sullivan
Filter Adapters, Neoprene Rubber, Size 3, Pack of 12 each
Mikuni 40mm Rubber Flange Adapter to 43mm Carb Spigot O.D. for RS40 and RS42 Carb - KHS-004 Snowmobile - Dennis Kirk
Round Lift Adapter w/ Rubber Pad, 1.5" Peg
Filter Adapter Tapered Cone, Size 1 - Designed for Use with Buchner Funnels - 22mm Top, 11mm Bottom, 20mm Height, 2.5mm Thickness - Neoprene Rubber - Eisco Labs: Amazon.com: Industrial & Scientific