Exhibit 21
| Name | Jurisdiction of Incorporation or Organization |
Percent of 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 International Holdings, LLC | Delaware | 100% | ||||||
| Purolator Liquid Process, 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% | ||||||
| CLARCOR Filtration (China) Co Ltd. | China | 100% | ||||||
| CLARCOR International Holdings B.V. | Netherlands | 100% | ||||||
| CLARCOR UK (Holdings) Limited | United Kingdom | 100% | ||||||
| CLARCOR UK Limited | United Kingdom | 100% | ||||||
| CLARCOR Filtration Commerce (Shanghai) Co. Ltd | China | 100% | ||||||
| Facet Deutschland GmbH | Germany | 100% | ||||||
| Facet Iberica S.A. | Spain | 100% | ||||||
| Facet FCE S.A.R.L. | France | 100% | ||||||
| Facet Industrial B.V. | Netherlands | 100% | ||||||
| Name | Jurisdiction of Incorporation or Organization |
Percent of Ownership* |
||||||
| 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 Facet Filtration Equipment (Beijing) Co., Ltd. | China | 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% | ||||||
| Pujiang Novaeastern International Mesh Co., Ltd. | China | 85% | ||||||
| Purolator Advanced Filtration (Quzhou) Co Ltd. | China | 85% | ||||||
| SINFA, S.A. | Morocco | 80% | ||||||
| Weifang Yuhua Filters, Ltd. | China | 100% | ||||||

| * | Direct or indirect |