20mm West Pharma Matte Flip Off Seals
20mm West Pharma Matte Flip Off Seals
20mm Matte Flip Off Seals - for serum vials with a 13mm hole opening and 20mm outer rim-to-rim diameter. Comply with new USP regulations regarding serum vial closures / ferrules used on serum vials containing parenteral medications / injectable drugs. These high quality WEST PHARMACEUTICAL brand flip cap seals do NOT have the words "FLIP OFF" embossed in the plastic.