Exhibit 21

CLARCOR INC. SUBSIDIARIES

As of January 31, 2007

	Jurisdiction of
	Incorporation or	Percent of
Name	Organization	Ownership*
CLARCOR Consumer Products, Inc.	Delaware		100	%
J.L. Clark, Inc.	Delaware		100	%
Clark Europe, Inc.	Delaware		100	%
CLARCOR Filtration Products, Inc.	Delaware		100	%
CLARCOR Air Filtration Products, Inc.	Kentucky		100	%
CLARCOR Total Filtration, Inc.	Delaware		100	%
Airklean Engineering Pte. Ltd.	Singapore		100	%
Airguard Asia Sdn. Bhd.	Malaysia		100	%
Baldwin Filters, Inc.	Delaware		100	%
Baldwin Filters N.V.	Belgium		100	%
Baldwin Filters Limited	United Kingdom		100	%
Baldwin South Africa, Inc.	Delaware		100	%
Baldwin-Unifil S.A.	South Africa		100	%
Baldwin Filters (Aust.) Pty. Limited	Australia		100	%
Baldwin-Weifang Filters Ltd.	China		80	%
CLARCOR UK Limited	United Kingdom		100	%
CLARCOR UK (Holdings) Ltd.	United Kingdom		100	%
Clark Filter, Inc.	Delaware		100	%
Filtros Baldwin de Mexico S.A. de C.V.	Mexico		90	%
Martin Kurz & Co., Inc.	Delaware		100	%
Purolator Facet, Inc.	Delaware		100	%
Facet FCE S.A.R.L	France		100	%
Facet Iberica S.A.	Spain		100	%
Facet Industrial B.V	Netherlands		100	%
Facet Industrial U.K. Limited	United Kingdom		100	%
Facet Italiana, S.p.A.	Italy		100	%
Facet USA Inc.	Delaware		100	%
Niagara Screen Products Limited	Canada		100	%
Purolator Advanced Filtration Group, Inc.	Delaware		100	%
GS Costa Mesa, Inc.	Delaware		100	%
Purolator EFP LLC	Delaware		100	%
Purolator Filter GmbH	Germany		100	%
Total Filtration Services, Inc.	Ohio		100	%
United Air Specialists, Inc.	Ohio		100	%
CLARCOR International, Inc.	Delaware		100	%
CLARCOR Trading Company	Delaware		100	%
CLC Support Services, Inc.	Delaware		100	%
CLC Technologies, Inc.	Delaware		100	%
Filtra Tech Systems, Inc	Minnesota		100	%
Leedar, Inc.	Oklahoma		100	%
Clarcor International Holdings B.V.	Netherlands		100	%

*  Direct or indirect