20mm Center Tear Vial Seals
20mm Center Tear Vial Seals - for serum vials
20mm center tear vial seals are for serum vials with a 13mm opening x 20mm outer rim-to-rim diameter. Most serum vials 5ml through 200ml require a 20mm vial seal (with some exceptions). Several colors and stripes are available to allow vial packaging selections for easy product identification.