Vial insert, 250 µL, glass with polymer feet, 100/pk Insert size: 5.6 x 30 mm Add to Favorites List Price: $119.00. Add to cart. EXW price 8mm hplc vials with inserts for Waters HPLC 8mm chromatography vial septa with PP caps Waters-Aijiren Cap Septa Factory, Custom Cap Septa OEM/ODM 8mm Cap PTFE Silicone Seal HPLC Rubber Septa Used with 8-425