• Offers excellent performance and value for a wide range of applications
• Heavy-duty moisture-resistant construction
• Galvanized expanded metal backing
• Standard size 4 and 6 in thick incorporate media separators
• Geothermal unit replacement filters

The Glasfloss® Z-Line® Series 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® Series ZL and HV filters achieve a MERV 8 3 10 rating and MR 11 filters achieve a MERV 8 3 11 rating per the ANSI/ASHRAE 52.2 test standard. Glasfloss® Z-Line® Series ZL, HV and MR 11 air filters shall be of the extended surface pleated media type. The media utilized shall be made of 100% synthetic fibers. The media shall be pleated in a tapered radial configuration. A heavy-duty, recycled expanded metal reinforcement shall be laminated to the air exit side of the media by a thermo-setting adhesive to maintain continuity of the radial pleats. The expanded metal shall be galvanized to resist rust and corrosion. The pleated cartridge shall be bonded to the peripheral interior of the outer frame. A heavy-duty moisture-resistant beverage board incorporating post consumer material shall be utilized for an encasing frame. The frame face shall be internally laminated to the pleated cartridge apexes. Glasfloss® Z-Line® Series ZL, HV and MR 11 filters shall be classified under UL 900 and shall be rated to withstand temperatures up to 180 deg F.