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Metal Filter Frame with 6 Blue/White Pads 13 x 21-1/2 x 1

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Price Each: $62.63

Custom metal filter frame is constructed of 3/4 inch aluminum channel. An expanded metal back holds filter media in place. Filter media is poly fiber material. Media is white color on entry side, and blue on exit side. MERV 6 rating.  Each frame comes with (6) pre-cut pads.


Made to Order Item

Metal Frames are manufactured when ordered. They are not a shelf item. Please allow 2-3 days for manufacturing.

Custom Item

Please be certain of the size you order, as frames are custom made and cannot be returned. If in doubt, select a fraction smaller. You can always add some foam tape or similar material if the frame is slightly smaller than needed. Standard furnace filters show a nominal size on the filter, but the actual size is fractionally smaller. See the example below:

This size fits many Carrier, Bryant, Payne, Day and Night, and Comfortmaker Products

Actual Size = 13 x 21-1/2 x 3/4

The frame will be made to size, (+ / - 1/8" tolerance)

Model No. FF132121-B




  • Model: FF132121-B

Fits the following models

FA4ANF018, FA4ANF024, FB4ANF018, FB4ANF024, FC4BNF024, FX4CNF018, FC4DNF018, FA4BNF018, FA4BNF024, FB4BNF018, FB4BNF024, FC4CNF024, FY4ANF018, FA4CNF018, FB4CNF018, FB4CNF024, FH4BNF001, FX4BNF018, PF4MNA018, PF4MNA019, FEM4X1800A, FEM4P1800A, FEM4P2400A, FSM2X1800A, FSU2X1800A, FEM2X1800A, PF1MNB018, PF1MNB024, 1321121, FA4CNC018, FB4CNP018, FB4CNP024, 13212,FZ4ANP024

This product was added to our catalog on Saturday 29 April, 2017.