![North Mountain Supply - 38-BP-15 38mm Black Plastic Screw Caps with F217 Foam Liner - Pack of 15 Leak Proof Lids North Mountain Supply - 38-BP-15 38mm Black Plastic Screw Caps with F217 Foam Liner - Pack of 15 Leak Proof Lids](https://m.media-amazon.com/images/I/61-L8MVjdJL._AC_SL1100_.jpg)
North Mountain Supply - 38-BP-15 38mm Black Plastic Screw Caps with F217 Foam Liner - Pack of 15 Leak Proof Lids
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Consolidated Plastics 41088 Black Cap with F217 Liner, Polypropylene, 38 mm, 38-400 Finish, 12 Piece: Amazon.com: Industrial & Scientific
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Screw cap, solid top with PTFE liner, pkg 100 solid green melamine resin cap, F217/PTFE liner, for use with 2 mL vial (standard opening with 8-425 thread) | Sigma-Aldrich
![Consolidated Plastics 41088 Black Cap with F217 Liner, Polypropylene, 38 mm, 38-400 Finish, 12 Piece : Amazon.ca: Industrial & Scientific Consolidated Plastics 41088 Black Cap with F217 Liner, Polypropylene, 38 mm, 38-400 Finish, 12 Piece : Amazon.ca: Industrial & Scientific](https://m.media-amazon.com/images/I/71vM4ebLUHL._AC_UF894,1000_QL80_.jpg)