Caps for 13-425 Screw-Thread Vials, Aijiren Tech. Supplier: Aijiren Tech. Description: Open-top. Offers excellent chemical durability. Preassembled with red PTFE-faced silicone liner. Liner is resealable for at least 20 punctures. GPI thread: 13-425. ,66065-242PK,66065-240CS,66030-392CS,66030-392PK.