InSinkErator 4-in 0.875-in OD Inlet x 0.875-in Compression Outlet Rubber Dishwasher Connector in the Appliance Supply Lines & Drain Hoses department at Lowes.com
S605 - Standard Rubber Adapter for 1.60" Cone - Sullivan
BrassCraft 3.625 in. Rubber Dishwasher Branch Connector BC0475 - The Home Depot
Genuine Mikuni Rubber Flange Adapters
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
Sanitary Clamp Rubber Hose Adapters - 3/4" x 1/4" 316L SS
Ideal Vacuum | Adapter KF-25 to Rubber Hose 3/4 in. or 7/8 in. I.D., ISO-KF Flange Size NW-25, Aluminum Barb
Fluval Part - Canister Filter Rubber Hose Adapter 304-307 & 404-407 - in Grandville, MI - Blue Fish Aquarium
Flexible Rubber Dust Collection Adapters for Tools