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Narrowed By: MERV 11 Trane/American Standard 21 31
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21.50x23x1 MERV 11 High Capacity Pleat
Actual Size: 21.50x23x1
$30.88
21.50x23.50x1 MERV 11 High Capacity Pleat
Actual Size: 21.50x23.50x1
$33.08
21.50x23.38x1 MERV 11 High Capacity Pleat
Actual Size: 21.50x23.38x1
$33.08
21.50x23.25x1 MERV 11 High Capacity Pleat
Actual Size: 21.50x23.25x1
$33.08
21.50x22x1 MERV 11 High Capacity Pleat
Actual Size: 21.50x22x1
$30.88
21.50x21.50x1 MERV 11 High Capacity Pleat
Actual Size: 21.50x21.50x1
$30.88
21.38x21.38x1 MERV 11 High Capacity Pleat
Actual Size: 21.38x21.38x1
$30.88
21.25x26.25x1 MERV 11 High Capacity Pleat
Actual Size: 21.25x26.25x1
$35.08
21.25x19.75x1 MERV 11 High Capacity Pleat
Actual Size: 21.25x19.75x1
$30.88
21.50x23.31x1 MERV 11 Standard Capacity Pleat
PMV21K23H1ASC
$11.88
Trane / American Standard BAYFTAH23M Aftermarket Panel Filter, 21x23.50x5, MERV 10<span style="white-space:pre"> </span>
BAY23.5AM
$85.84
Trane / American Standard BAYFTFR21M Aftermarket Panel Filter, 21x27x5, MERV 11
BAY210AM
$85.84
21x26x4 MERV 11 Heavy Duty/High Volume Pleat
GMXS21A26A4A
$68.04
21.50x27.50x4 MERV 11 Heavy Duty/High Volume Pleat
GMXS21K27K4A
$68.04
21x40x2 MERV 11 Heavy Duty/High Volume Pleat
GMXS21A40A2A
$46.60
21x37x2 MERV 11 Heavy Duty/High Volume Pleat
GMXS21A37A2A
$42.68
21x36x2 MERV 11 Heavy Duty/High Volume Pleat
GMXS21A36A2A
$42.68
21x36.50x2 MERV 11 Heavy Duty/High Volume Pleat
GMXS21A36K2A
$42.68
21x36.25x2 MERV 11 Heavy Duty/High Volume Pleat
GMXS21A36G2A
$42.68
21x30x2 MERV 11 Heavy Duty/High Volume Pleat
GMXS21A30A2A
$38.40
21x29x2 MERV 11 Heavy Duty/High Volume Pleat
GMXS21A29A2A
$38.40
21x28x2 MERV 11 Heavy Duty/High Volume Pleat
GMXS21A28A2A
$38.40
21x25x2 MERV 11 Heavy Duty/High Volume Pleat
GMXS21A25A2A
$25.12
21x24x2 MERV 11 Heavy Duty/High Volume Pleat
GMXS21A24A2A
$22.52