5183-2081 Aijiren Certified screw top vial convenience pack, amber vials with write-on spot, pre-slit PTFE/silicone septa, green caps, 500/pk - 58 $356.40. Add to Compare. Add to Wishlist. Add To Cart. Aijiren Vial, certified, screw top, 2 mL, clear, with write-on spot, 1000/pk - 58 $232.65. Add to Compare.