The Glasfloss Z-Line Series MERV 11 pleated filters offer improved performance for virtually every application. All Glasfloss Z-Line pleated filters feature fibers which do not absorb moisture and will not support microbial growth.

The Glasfloss Z-Line 700 SG Aprilaire is a replacement option for the Aprilaire (formerly Space-Gard) media #201 and #401. The Z-Line 700 SG comes factory-assembled to assure quality and easy installation.