Koch M19T5A224x48x2 3 4 MiniPleat HEPA Air Filter99.999% voomi_id_43062 making it ideal for HVAC Series 232 making it ideal for HVAC professionals seeking reliable performance This Lau fan blade is crafted to offer maximum efficiency and reliability in cooling systems Neoprene Gasket Seal Features Constructed with a 3 4" wide by 1 4" thick closed cell neoprene gasket Designed for "lay in" frame systems requiring filters with gaskets of this type Standard models are furnished with the gasket on the downstream face of the filter Features: Anodized BioMAX CS filters are manufactured with a specialized thermoplastic adhesive bead (no aluminum separators) to maintain proper pleat separation and full utilization of the filter media