NSF 49-04a Addendum 2.0 ✓ Most Recent

1248445

NSF 49 Class II (Laminar Flow) Biosafety Cabinetry

Amendment by NSF , 03/01/2005

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Full Description

This edition of the Standard, Addendum 2.0 to NSF/ANSI 49-04a, expands the definition of high efficiency filters (3.13) to include specifications for both high efficiency particulate air (HEPA) filters and ultra-lowpenetrating air (ULPA) filters and revisions to rounding errors that affect the pass/fail criteria throughout the document. It also clarifies significant digits in metric and English system conversions.

Revisions from Addendum 1.0 have been added to this document for the convenience of our customers. See more

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Product Details

Published:

03/01/2005

ANSI:

ANSI Approved

Number of Pages:

16

File Size:

1 file

Part of:

NSF 49-2004a

Note:

This product is restricted and cannot be purchased in the following countries Ukraine, Belarus, Russia