Amazon.com: Unifizz Silicone O - Ring, OD 44mm ID 40.2mm Width 1.9mm Industrial O - Ring for Automotive, Mechanic, Red,30PCS : Automotive
Amazon.com: Sturdy Alloy Spring O Ring,Spring Clip Round Carabiner,Metal Circle Trigger Rings Firm Clasp Snap Hook Key Ring Buckle Fastener,Range 3/4 inch to 2 inch Size (Silver, 44mm(1.73"))
44mm x 4mm (52mm OD) Nitrile O-Rings – Totally Seals
NBR O-Ring 4mm Wire Diameter 16mm to 44mm Out Diameter Seal Ring Oil Proof 100°C | eBay
44X2.2 Oring 44mm ID X 2.2mm CS NBR Nitrile VMQ Silicone O ring O-ring Sealing Rubber - AliExpress
Amazon.com: uxcell Nitrile Rubber O-Rings, 50mm OD 44mm ID 3mm Width, Metric Sealing Gasket, Pack of 10 : Automotive
Silicone O-rings 44 x 2mm MInimum 2 pcs - OringsandMore
44mm x 52mm x 4mm O-Ring (3 pieces): Amazon.com: Industrial & Scientific
44mm x 52mm x 4mm O-Ring (3 pieces): Amazon.com: Industrial & Scientific