Exhibit 21

CLARCOR INC. SUBSIDIARIES

As of January 23, 2009

	Jurisdiction of
	Incorporation or		Percent of
Name	Organization		Ownership*
Domestic
Baldwin Filters, Inc.		Delaware		100	%
Baldwin South Africa, Inc.		Delaware		100	%
CLARCOR Air Filtration Products, Inc.		Kentucky		100	%
CLARCOR Consumer Products, Inc.		Delaware		100	%
CLARCOR Filtration Products, Inc.		Delaware		100	%
CLARCOR International, LLC		Delaware		100	%
CLARCOR Total Filtration, Inc.		Delaware		100	%
Clark Filter, Inc.		Delaware		100	%
CLC Support Services, Inc.		Delaware		100	%
Facet USA Inc.		Delaware		100	%
Flo-Line Filters, Inc.		Texas		100	%
J.L. Clark, Inc.		Delaware		100	%
Keddeg Company		Missouri		100	%
Leedar, Inc.		Oklahoma		100	%
Martin Kurz & Co., Inc.		New York		100	%
Mexico Perry Equipment LLC		Texas		100	%
Perry Equipment Corporation		Delaware		100	%
Perry Filters, Inc.		Texas		100	%
Perry International Holdings, LLC		Delaware		100	%
Purolator Advanced Filtration Group, Inc.		Delaware		100	%
Purolator EFP, LLC		Delaware		100	%
Purolator Facet, Inc.		Delaware		100	%
Scientific Process Solutions, Inc.		Delaware		100	%
Total Filtration Services, Inc.		Ohio		100	%
TPS, LLC		Texas		100	%
United Air Specialists, Inc.		Ohio		100	%
International
Airguard Asia Sdn. Bhd.		Malaysia		100	%
Airklean Engineering Pte. Ltd.		Singapore		100	%
Baldwin Filters (Aust.) Pty. Limited		Australia		100	%
Baldwin filters (PTY) LTD SA.		South Africa		100	%
Baldwin Filters Limited		United Kingdom		100	%
Baldwin Filters N.V.		Belgium		100	%
Baldwin-Weifang Filters Ltd.		China		80	%
CLARCOR International Holdings B.V.		Netherlands		100	%
CLARCOR UK (Holdings) Limited		United Kingdom		100	%
CLARCOR UK Limited		United Kingdom		100	%
Facet Iberica S.A.		Spain		100	%
Facet FCE S.A.R.L.		France		100	%

	Jurisdiction of
	Incorporation or		Percent of
Name	Organization		Ownership*
Facet Industrial B.V.		Netherlands		100	%
Facet Industrial U.K. Limited		United Kingdom		100	%
Facet Italiana, S.p.A.		Italy		100	%
Filtros Baldwin de Mexico S.A. de C.V.		Mexico		90	%
Niagara Screen Products Limited		Canada		100	%
PECO Filters Limited		Canada		100	%
PECOFacet (Asia Pacific)		Malaysia		100	%
PECO International (Lux) SARL		Luxembourg		100	%
Perry Equipment de Mexico SRL		Mexico		100	%
Perry Equipment Ltd.		United Kingdom		100	%
Perry Filtration Solutions SRL		Romania		100	%
Perry Holding de Mexico SRL		Mexico		100	%
Perry Operations de Mexico SRL		Mexico		100	%
Perry Properties de Mexico SRL		Mexico		100	%
Purolator Filter GmbH		Germany		100	%
SINFA, S.A.		Morocco		80	%

*  Direct or indirect