Koch 274-120-200 - 12" x 20" x 1" Disposable Dual-Density Fiberglass Filter Panel, MERV 4/5

• Nominal Filter Dimensions: 12x20x1
• Actual Filter Dimensions: 11-1/2" x 19-3/4" x 3/4"
• Durable construction for all types of industrial and commercial applications
• Heavy-duty frame and corners for added strength and durability
• Environmentally friendly
  
• Easy to install
• Fiberglass Media - Standard C&I Disposables are constructed with high-grade progressively dense glass fibers. The air entry side is composed of open coarse fibers, while the air exit side is made up of tighter fibers. This dual-density media configuration allows for proper depth loading and full utilization of the filter media. Each fiber is coated with a non-migrating adhesive to enhance filter performance.