SecProbe.io

CORRESP
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POLYPORE
INTERNATIONAL, INC.

13800 SOUTH LAKES DRIVE

CHARLOTTE, NC 28273

(704) 587-8409

June 13, 2005

VIA EDGAR AND FACSIMILE

Securities and Exchange Commission

Division of Corporate Finance

450 Fifth Street N.W.

Washington, D.C. 20546

Attn: Filing Desk

  Re:

  Polypore International, Inc.

  Registration Statement on Form S-4

  File No. 333-124142

Ladies and Gentlemen:

Pursuant to Rule 461 of the Securities Act of
1933, as amended, Polypore International, Inc. (the “Registrant”) hereby
requests that the effective date of the Registration Statement on Form S-4
initially filed on April 18, 2005, as amended by Amendment No. 1 on May 23,
2005, Amendment No. 2 on June 10, 2005 and Amendment No. 3 on June 13, 2005
(File No. 333-124142) (the “Registration Statement”) be accelerated so that the
Registration Statement will become effective at 10:00 a.m., Eastern Standard
Time on June 15, 2005, or as soon thereafter as is reasonably practicable.

In response to the letter dated June 9, 2005,
from Pamela A. Long, Assistant Director, to Frank Nasisi, President and Chief
Executive Officer of the Registrant, the Registrant acknowledges that: (i)
should the Securities and Exchange Commission (the “Commission”) or the staff,
acting pursuant to delegated authority, declare the filing effective, it does
not foreclose the Commission from taking any action with respect to the filing;
(ii) the action of the Commission or the staff, acting pursuant to delegated
authority, in declaring the filing effective, does not relieve the Registrant
from its full responsibility for the adequacy and accuracy of the disclosure in
the filing; and (iii) it may not assert this action as a defense in any
proceeding initiated by the Commission or any person under the federal
securities laws of the United States.

[Signature
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Very truly yours,

POLYPORE INTERNATIONAL, INC.

  By:

  /s/ Frank Nasisi

  Name:

  Frank Nasisi

  Title:

  President, Chief Executive Officer and Director

  cc:

  Kevin Kruse

  Steven J. Gartner, Esq.

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