MaxPrePleat Pre Filter Zoom image Efficiency : 25-30% (MERV.7) (G4)Media : 100% Syntheic (Green)Frame : Dia-cut Beverage BoardThickness : 1", 2", 4" (22, 44, 95 mm.)Std. Size : 12" x 24" (289 x 594 mm.)Std. Size : 24" x 24" (594 x 594 mm.) Old price: 0.00 Copyright MAXXmarketing Webdesigner GmbH