Two O-Rings are included in the pack. One large O-Ring (with tabs) fits inside the lid while a smaller O-Ring fits in the drinking spout cap while also being BPA free.
Takeya USA Originals Bottle/Tritan Spout Lid O-Ring 2pk with Tabs
DT466 / 530 Mechanical Injector Seal Kit
6.0 Powerstroke High Pressure Oil Rail Ball Tube O-Ring Seal Kit
810001, Centering Ring, NW100, ISO LF, Large Flange, Fluorocarbon-based fluoroelastomer (FKM / FPM), 304ss, MDC Precision
What Is an O-ring And Its Purpose
BUSY-CORNER 407 Pieces SAE Universal O-Ring Kit, Set of 32 USA Standard Sizes, Buna-N 70A, Rubber Seals O Rings, for Faucet, Professional Plumbing
Orion Motor Tech SAE Metric O Ring Kit Orings Assortment Kit, 826-Piece, for Plumbing, Automotive
O-Rings, Spare Parts and Accessories, Tube Fittings and Adapters, Fittings, All Products
ORS-CA1350 O-ring Set (Small Victor) – Regulator and Torch Exchange, Inc.
Causes for O-Ring Failure
O Ring Assortment