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Bluefin (32)
Hart & Cooley (39)
Luxairy Vents (8)

Series

673 (33)
673T (1)

Width (Wall Opening)

10" (4)
12" (8)
14" (8)
16" (8)
18" (2)
20" (12)
24" (12)
25" (3)
30" (12)
36" (2)

Height (Wall Opening)

6" (2)
8" (2)
10" (2)
12" (9)
14" (8)
16" (5)
18" (4)
20" (15)
24" (11)
25" (4)

Overall Size

11-3/4" x 7-3/4" (2)
11-3/4" x 11-3/4" (2)
13-3/4" x 13-3/4" (2)
13-3/4" x 19-3/4" (2)
13-3/4" x 21-3/4" (2)
13-3/4" x 25-3/4" (2)
15-3/4" x 15-3/4" (2)
15-3/4" x 25-3/4" (2)
15-3/4" x 31-3/4" (2)
16-5/8" x 21-3/4" (2)

Review Score

(40)
(1)
(1)

Price Range

$10 to $15 (1)
$20 to $25 (3)
$25 to $30 (4)
$30 to $35 (2)
$35 to $40 (8)
$40 to $45 (9)
$45 to $50 (9)
$50 to $60 (11)
$60 to $70 (4)
$70 to $80 (9)

Return Air Filter Grilles, 1/2 Inch Spacing (673 Series)

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Product Image of 10" x 6" (Wall Opening Size) Sidewall/Ceiling Return Air Filter Grille, 1/2" (White)
$22.95 each
In Stock
Get 27 by Tue, Jul 7
In Stock
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Product Image of 10" x 6" (Wall Opening Size) White Sidewall/Ceiling Return Air Filter Grille (673 Series)
$49.23 each
In Stock
Get 10 by Tue, Jul 7
In Stock
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Product Image of 10" x 10" (Wall Opening Size) Sidewall/Ceiling Return Air Filter Grille, 1/2" (White)
$22.88 each
In Stock
Get 26 by Tue, Jul 7
In Stock
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Product Image of 10" x 10" (Wall Opening Size) White Sidewall/Ceiling Return Air Filter Grille (673 Series)
$28.60 each
In Stock
Get 22 by Tue, Jul 7
In Stock
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Product Image of 12" x 12" (Wall Opening Size) Sidewall/Ceiling Return Air Filter Grille, 1/2" (White)
$13.11 each
In Stock
Get 180 by Tue, Jul 7
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Product Image of 12" x 12" (Wall Opening Size) White Sidewall/Ceiling Return Air Filter Grille (673 Series)
$28.63 each
In Stock
Get 6 by Tue, Jul 7
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Product Image of 12" x 18" (Wall Opening Size) White Sidewall/Ceiling Return Air Filter Grille (673 Series)
$71.52 each
In Stock
Get 3 by Tue, Jul 7
In Stock
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Product Image of 12" x 18" (Wall Opening Size) Sidewall/Ceiling Return Air Filter Grille w/ 1/2" Fin Spacing (White)
$41.18 each
In Stock
Get 1 by Tue, Jul 7
In Stock
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Product Image of 12" x 20" (Wall Opening Size) White Sidewall/Ceiling Return Air Filter Grille (673 Series)
$42.96 each
In Stock
Get 23 by Tue, Jul 7
In Stock
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Product Image of 12" x 20" (Wall Opening Size) Sidewall/Ceiling Return Air Filter Grille, 1/2" (White)
$33.77 each
In Stock
Get 56 by Wed, Jul 8
In Stock
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Product Image of 12" x 24" (Wall Opening Size) Sidewall/Ceiling Return Air Filter Grille, 1/2" (White)
$36.04 each
In Stock
Get 84 by Wed, Jul 8
In Stock
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Product Image of 12" x 24" (Wall Opening Size) White Sidewall/Ceiling Return Air Filter Grille (673 Series)
$46.69 each
In Stock
Get 22 by Tue, Jul 7
In Stock
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Product Image of 14" x 14" (Wall Opening Size) Sidewall/Ceiling Return Air Filter Grille, 1/2" (White)
$22.06 each
In Stock
Get 20 by Tue, Jul 7
In Stock
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Product Image of 14" x 14" (Wall Opening Size) White Sidewall/Ceiling Return Air Filter Grille (673 Series)
$28.05 each
In Stock
Get 14 by Tue, Jul 7
In Stock
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Product Image of 14" x 20" (Wall Opening Size) Sidewall/Ceiling Return Air Filter Grille, 1/2" (White)
$39.38 each
In Stock
Get 222 by Tue, Jul 7
In Stock
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Product Image of 14" x 20" (Wall Opening Size) White Sidewall/Ceiling Return Air Filter Grille (673 Series)
$51.02 each
In Stock
Get 28 by Tue, Jul 7
In Stock
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Product Image of 14" x 24" (Wall Opening Size) Sidewall/Ceiling Return Air Filter Grille, 1/2" (White)
$37.49 each
In Stock
Get 67 by Tue, Jul 7
In Stock
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Product Image of 14" x 24" (Wall Opening Size) White Sidewall/Ceiling Return Air Filter Grille (673 Series)
$46.21 each
In Stock
Get 17 by Tue, Jul 7
In Stock
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Product Image of 14" x 30" (Wall Opening Size) Sidewall/Ceiling Return Air Filter Grille, 1/2" (White)
$40.79 each
In Stock
Get 23 by Tue, Jul 7
In Stock
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Product Image of 14" x 30" (Wall Opening Size) White Sidewall/Ceiling Return Air Filter Grille (673 Series)
$52.84 each
In Stock
Get 20 by Tue, Jul 7
In Stock
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Product Image of 16" x 16" (Wall Opening Size) Sidewall/Ceiling Return Air Filter Grille, 1/2" (White)
$27.43 each
In Stock
Get 36 by Tue, Jul 7
In Stock
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Product Image of 16" x 16" (Wall Opening Size) White Sidewall/Ceiling Return Air Filter Grille (673 Series)
$35.55 each
In Stock
Get 8 by Tue, Jul 7
In Stock
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Product Image of 16" x 20" (Wall Opening Size) Sidewall/Ceiling Return Air Filter Grille, 1/2" (White)
$41.85 each
In Stock
Get 34 by Tue, Jul 7
In Stock
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Product Image of 16" x 20" (Wall Opening Size) White Sidewall/Ceiling Return Air Filter Grille (673 Series)
$54.18 each
In Stock
Get 13 by Tue, Jul 7
In Stock
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Product Image of 16" x 24" (Wall Opening Size) White Sidewall/Ceiling Return Air Filter Grille (673 Series)
$59.70 each
In Stock
Get 12 by Tue, Jul 7
In Stock
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Product Image of 16" x 24" (Wall Opening Size) Sidewall/Ceiling Return Air Filter Grille w/ 1/2" Fin Spacing (White)
$45.93 each
In Stock
Get 20 by Tue, Jul 7
In Stock
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Product Image of 18" x 18" (Wall Opening Size) Sidewall/Ceiling Return Air Filter Grille, 1/2" (White)
$37.19 each
In Stock
Get 5 by Tue, Jul 7
In Stock
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Product Image of 18" x 18" (Wall Opening Size) White Sidewall/Ceiling Return Air Filter Grille (673 Series)
$48.18 each
In Stock
Get 15 by Tue, Jul 7
In Stock
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Product Image of 20" x 12" (Wall Opening Size) White Sidewall/Ceiling Return Air Filter Grille (673 Series)
$42.29 each
In Stock
Get 9 by Tue, Jul 7
In Stock
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Product Image of 20" x 12" (Wall Opening Size) Sidewall/Ceiling Return Air Filter Grille w/ 1/2" Fin Spacing (White)
$33.34 each
In Stock
Get 20 by Tue, Jul 7
In Stock
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Product Image of 20" x 14" (Wall Opening Size) Sidewall/Ceiling Return Air Filter Grille, 1/2" (White)
$38.98 each
In Stock
Get 50 by Tue, Jul 7
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Product Image of 20" x 14" (Wall Opening Size) White Sidewall/Ceiling Return Air Filter Grille (673 Series)
$51.15 each
In Stock
Get 14 by Tue, Jul 7
In Stock
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Product Image of 20" x 20" (Wall Opening Size) Sidewall/Ceiling Return Air Filter Grille, 1/2" (White)
$41.38 each
In Stock
Get 63 by Wed, Jul 8
In Stock
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Product Image of 20" x 20" (Wall Opening Size) White Sidewall/Ceiling Return Air Filter Grille (673 Series)
$52.29 each
In Stock
Get 25 by Tue, Jul 7
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Product Image of 20" x 20" (Wall Opening Size) White Steel Laced Filter Grille (673T Series)
$84.80 each
In Stock
Get 9 by Wed, Jul 8
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Product Image of 20" x 24" (Wall Opening Size) White Sidewall/Ceiling Return Air Filter Grille (673 Series)
$119.73 each
In Stock
Get 3 by Wed, Jul 8
In Stock
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Product Image of 20" x 24" (Wall Opening Size) Sidewall/Ceiling Return Air Filter Grille w/ 1/2" Fin Spacing (White)
$88.08 each
In Stock
Get 5 by Tue, Jul 7
In Stock
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Product Image of 20" x 25" (Wall Opening Size) White Sidewall/Ceiling Return Air Filter Grille
$70.35 each
In Stock
Get 20 by Tue, Jul 7
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Product Image of 20" x 30" (Wall Opening Size) White Sidewall/Ceiling Return Air Filter Grille (673 Series)
$115.40 each
In Stock
Get 4 by Tue, Jul 7
In Stock
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Product Image of 20" x 30" (Wall Opening Size) Sidewall/Ceiling Return Air Filter Grille w/ 1/2" Fin Spacing (White)
$83.17 each
In Stock
Get 14 by Wed, Jul 8
In Stock
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Product Image of 24" x 12" (Wall Opening Size) Sidewall/Ceiling Return Air Filter Grille, 1/2" (White)
$38.10 each
In Stock
Get 51 by Tue, Jul 7
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Product Image of 24" x 12" (Wall Opening Size) White Sidewall/Ceiling Return Air Filter Grille (673 Series)
$49.35 each
In Stock
Get 13 by Tue, Jul 7
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Product Image of 24" x 14" (Wall Opening Size) Sidewall/Ceiling Return Air Filter Grille, 1/2" (White)
$43.46 each
In Stock
Get 7 by Tue, Jul 7
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Product Image of 24" x 14" (Wall Opening Size) White Sidewall/Ceiling Return Air Filter Grille (673 Series)
$54.20 each
In Stock
Get 13 by Tue, Jul 7
In Stock
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Product Image of 24" x 16" (Wall Opening Size) White Sidewall/Ceiling Return Air Filter Grille (673 Series)
$98.59 each
In Stock
Get 3 by Wed, Jul 8
In Stock
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Product Image of 24" x 16" (Wall Opening Size) Sidewall/Ceiling Return Air Filter Grille w/ 1/2" Fin Spacing (White)
$66.63 each
In Stock
Get 5 by Tue, Jul 7
In Stock
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Product Image of 24" x 20" (Wall Opening Size) White Sidewall/Ceiling Return Air Filter Grille (673 Series)
$75.29 each
In Stock
Get 11 by Tue, Jul 7
In Stock
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Product Image of 24" x 20" (Wall Opening Size) Sidewall/Ceiling Return Air Filter Grille w/ 1/2" Fin Spacing (White)
$57.93 each
In Stock
Get 15 by Tue, Jul 7
In Stock
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More About Return Air Filter Grilles, 1/2 Inch Spacing (673 Series)
The 673 Series Stamped Steel Return Air Filter Grilles for sidewall or ceiling application by Hart & Cooley are made with all-steel construction and effectively conceal the filter. They include 1/2” spaced fins set at 40 degrees, a removable face for easy installation and cleaning, use standard 1” thick disposable filters (not included), are equipped with adjustable filter retainers, and have a bright white finish.