Component Hardware Group F41-2025 Mesh Typr Grease Filter, Galvanized 20" X 25" X 2", Withstands Commercial Kitchen Wear., No Grease Drippings Onto Grill., Recommended By Insurance Companies., Sanitary - Easy To Clean & Maintain., Efficient Air Flow., Design Traps 98% Of Foreign Matter., Protects Blower System & Motor., Rust Proof-aluminum., Rugged Construction - Lightweight., Approved By N.y.c. Bureau Of Stds. & Appeal, Cal No. 10-60 Sm., Meets Requirements Of Nfpa Standards No. 90a & B But, Does Not Meet Nfpa96 Standards.