Grease Lock is tested and approved by:

NSF/ANSI 2
Food Equipment Sanitation Requirement

NSF/ANSI 51
Food Equipment Materials Toxicology

ULC-S649
Standard for Grease Filters for Commercial and Institutional Kitchen Exhaust Systems (Canada)

UL1046
Standard for Grease Filters for Exhaust Ducts

ETL
Listed under File # 3177581SAT-001

NYC Certificate of Acceptance
Permits use of Grease Lock disposable filters in the 5 boroughs of New York City