78X2.5 Oring 78mm ID X 2.5mm CS FKM FPM FMC Fluorocarbon FKM ShA 75 Black O ring O ring Sealing Rubber|rubber seal machine|rubber rabbitrubber band card trick - AliExpress
SILICONE 70 DUROMETER O-RING 5 MM ID X 2 MM CS | APG
Nitrile Rubber O-Ring CS 10mm NBR Oring Seal Sealing OD 80 -500mm Oil Resistant | eBay
Nbr Cs 1mm Id 0.5-30mm Oring Mechanical Seal Rubber Ring Gaskets O-ring Kit O Rings Nitrile Rubber Gasket Ring Seal Washer Seals - Gaskets - AliExpress
O-ring, 8 mm CS x 200 mm ID - Servi-Tech
FFKM Kalrez 6375 O-Ring, Size 242, 3.984" ID x 0.139" CS
Metric Buna 70 orings - Orings 2.75mm CS/Thick - OringsandMore
NITRILE 70 DUROMETER O-RING 17.8 MM ID X 2.4 MM CS | APG