As an Amazon Associate, we earn from qualifying purchases. Panel Filter, 3-Ply, 20x325-338, MERV8 Koch . 133-2025-13 Gallery Attributes Brand name, Manufacturer name, ManufacturerKoch Attribute00Internally Supported Panel Filter Attribute011050 cfm Attribute02Synthetic, Durable Steel Internal Support Wire Attribute0320x325 Attribute0420" Attribute05325" Attribute068 Attribute0719-1/2x24-1/2 Attribute0819-1/2" Attribute0924-1/2" Attribute1088.79% Attribute11400 fpm Attribute120.19" WC Attribute13ASHRAE Test Standard 52.2-2012 Attribute14United States AttributeKey00Item AttributeKey01Air Flow @ 300 fpm AttributeKey02Media Material AttributeKey03Nominal Filter Size AttributeKey04Nominal Height AttributeKey05Nominal Width AttributeKey06Performance Rating (MERV) AttributeKey07Actual Filter Size AttributeKey08Actual Height AttributeKey09Actual Width AttributeKey10Filter Efficiency - Air Filters AttributeKey11Max. Velocity AttributeKey12Initial Resistance @ 300 fpm AttributeKey13Standards AttributeKey14Country of Origin (subject to change) DimensionUnitinch Extra Product NamePanel Filter, 3-Ply, 20x325-338, MERV8 UnitOfMeasureEA Weight14 WeightUnitlbs cali_prop65_orglabel, cali_prop65_whtlabelFalse countryOfOriginUS extendedLead30 height26.5 length25.25 moq, multiple, tierMinQty11 MPN133-2025-13 qtyInStock0 SKUG1523361 tierPrice1101.78 urlhttps://www.zoro.com/koch-panel-filter-3-ply-20x325-338-merv8-133-2025-13/i/G1523361/ width20.25 Distributor offers SellerSKUMOQIn stockMultiplePrices ZoroG1523361111 @ $101.78