VA21, Screw-thread 18mm vials, 20ml

The 250µl micro-insert with a size of 31mm in length and 5mm in diameter is crafted with clear glass and boasts of a flat bottom. Ideally designed for 8-425 vials, this product is ideal for laboratory purposes. Each package contains 100 pieces of micro-insert, ensuring you won’t be running out anytime soon.