Nunc® EasYFlasks, Nunclon® Δ Surface

Nunclon® Δ surface treatment, 175 cm2 angled neck, vent/close cap, 30/cs

cell culture flask, tissue culture flask, tissue culture treated flask


canted neck polystyrene flask
screw top blue high-density polyethylene cap (vent)


sterile; γ-irradiated


with cap


case of 30 ea (6 packs x 5 flasks)


Nunc 159920

flask working volume

55 mL

surface area

175 cm2


33 mm cap

binding type

Nunclon Delta surface

Looking for similar products? Visit Product Comparison Guide

General description

Nunc® EasYFlasks, Nunclon® Δ Surface

  • Nunclon® Δ certified: a proprietary cell culture surface treatment that offers maximum adhesion for a broad range of cell types. The ergonomic design with angled neck and wide opening allows easy access to the growth surface by pipettes or cell scrapers.
  • Ergonomic design with a 1/3 turn to open, close or vent
  • Low profile to maximize incubator space
  • Volume graduations printed and molded on both sides
  • Slightly angled side walls for complete viewing under a microscope
  • Sterilized by gamma irradiation and certified to be nonpyrogenic
  • Nunclon Delta Certification, including testing on four different cell types, provided in each case
  • Vent/close caps feature a “Y” mark that allows visual verification of vent position.
  • Vent position easily distinguished even when flasks are stacked in incubators.
  • Filter membrane provides effective barrier against micro-organisms.
  • Well-defined, hydrophobic filter membrane offers continuous venting with consistent gas exchange and no lot-to-lot variation.
  • Chemically robust membrane meets USP class VI standards and is produced without animal-derived substances.

Legal Information

EasYFlasks is a trademark of Thermo Fisher Scientific or its subsidiaries
Nunc is a registered trademark of Thermo Fisher Scientific or its subsidiaries
Nunclon is a registered trademark of Thermo Fisher Scientific or its subsidiaries

Certificate of Analysis

Certificate of Origin

Our team of scientists has experience in all areas of research including Life Science, Material Science, Chemical Synthesis, Chromatography, Analytical and many others.

Contact Technical Service

Social Media

LinkedIn icon
Twitter icon
Facebook Icon
Instagram Icon


Research. Development. Production.

We are a leading supplier to the global Life Science industry with solutions and services for research, biotechnology development and production, and pharmaceutical drug therapy development and production.

© 2021 Merck KGaA, Darmstadt, Germany and/or its affiliates. All Rights Reserved.

Reproduction of any materials from the site is strictly forbidden without permission.