260 Buna-N O-Ring, 70A Durometer, Black, 6-1/2" ID, 6-3/4" OD, 1/8" Width (Pack of 100): O Ring Seals: Amazon.com: Industrial & Scientific
6 inch Buna-N O-ring | Geo's Reef
Everbilt Large Assorted O-Ring Kit Piece 866820 - The Home Depot
Amazon.com: 2 Pcs Metal O Rings 6 Inch Heavy Duty 304 Stainless Steel Welded O Ring Multi-Purpose O-Ring for Macrame, DIY Crafts, Hardware, Bags, Camping Belt, Dog Leashes, Keychain, Purse.
Amazon.com: 2 Pcs Metal O Rings 6 Inch Heavy Duty 304 Stainless Steel Welded O Ring Multi-Purpose O-Ring for Macrame, DIY Crafts, Hardware, Bags, Camping Belt, Dog Leashes, Keychain, Purse.
6" x 6-1/2" x 1/4" Extra Large Rubber O-Rings (2 pcs.) | eBay