Glasfloss 4" Merv 11 Furnace Filter (6 Pack)
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 MR-11 filters achieve a MERV 11 rating per the ANSI/ASHRAE 52.2 Test Standard.
Glasfloss Z-Line Series pleated filters incorporate media which is laminated to a galvanized metal that stabilizes the media during operation. The pleats are formed in a radial configuration to ensure proper dust-loading. The standard pleated cartridge is bonded into a two-piece heavy-duty beverage board diecut frame that creates a double-wall thickness around the filter and prevents air bypass. The die-cut grilles are internally bonded to the pleat apexes on the air-entry and air-exit sides to ensure maximum integrity and support during the life of the filter.
Glasfloss Honeywell Merv 11 Furnace Filter (5 Pack)
The Glasfloss Z-Line 400 HW & HWR
a replacement option for the Honeywell F-100 and FC40R air filters. The ZLine 400
HW & HWR incorporates 100% synthetic fibers that are
thermally-bonded, and manufactured in an engineered gradient structure. The
Z-Line 400 HW & HWR achieves a MERV 11 rating when tested in accordance with the ANSI/ASHRAE
52.2 Test Standard. Pre-applied gaskets on the assembled filters helps prevent
air bypass. Each filter is sealed in plastic to avoid contamination before
Our Price: $114.99 (Free Shipping)