20x22x1 Merv 11 Furnace Filter (12 Pack) - Replacement Furnace Filters -. Nominal Filter Size 20 x 22 x 1 。 Actual Filter Size 19.5" x 21.875" x .875" 。 Merv 11 Performance 。 Made in the USA 。 100% Performance and Price Guarantee 。 The Z-Line Series pleated filters offer improved performance for virtually every application. All Z-Line pleated filters feature fibers which do not absorb moisture and will not support microbial growth. The Z-Line Series MR-11 filters achieve a MERV 11 rating per the ANSI/ASHRAE 52.2 Test Standard. The Z-Line Series MR-11 pleat is available in many standard face dimensions in 1”, 2", 4", and 6” depths. 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. Z-Line Series pleated filters are used in a broad range of installations, from pre-filters to primary filters for computer room units. Whether used as primary filters or as pre-filters in multi-stage systems, Z-Line Series pleated filters offer a solution for virtually every residential, commercial, and industrial HVAC application. 。 。 。
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