The Star Mfg 5N-22618 Oven Pre-Filter Hood Universal, 16" X 20" X 2" is a heavy-duty air filtration component designed to capture airborne grease, smoke, and debris before they enter commercial kitchen ventilation systems. Measuring sixteen by twenty by two inches, this universal panel filter works by drawing grease-laden cooking vapors through multi-layered media, trapping particulat... https://partsfe.ca/5n-22618-star-mfg-pre-filter