The Krowne Metal A1620 Exhaust Hood Filter is designed for efficient grease capture in commercial kitchens. This baffle grease filter features actual dimensions of 15-1/2"H x 19-1/2"W (16" x 20" nominal) and a thickness of 1-3/4". Constructed from durable aluminum, it ensures longevity and reliable performance. For optimal use, this filter must be ordered in multiples of 6.