

West Pharmaceuticals manufactured 20mm matte flip cap vial seals, dark gray matte plastic flip cap (no embossed words)
Pack of 100 pieces
QCVIALZ Catalog SKU No. WMC20DGR-100
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by West Pharmaceuticals.
For serum vials that have a 20mm crimp finish (13mm hole opening x 20mm outer rim diameter)
West is the world standard in quality vial packaging components, including matte finish flip off vial seals used in the pharmaceutical industry.
20mm West Pharmaceutical "matte cap" flip off seals do not have any words embossed in the plastic cap to comply with USP regulations on ferrules used in the pharmaceutical industry here in the USA. As an added benefit, the matte finish resists scratches while in transit, helping to maintain a clean, professional appearance.
West Pharmaceuticals Item No. 54202221
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