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18x18 return grille

4

18x18 return grille for sale on largest auction and classifieds sites

Home / Plumbing & Fixtures / 18x18 return grille refurbished & used for sale | For Sale USA
New 18x18 return - 18x18, air

New 18x18 return - 18x18, air

$32.79
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Hvac premium rg1818 black - hvac,

Hvac premium rg1818 black - hvac,

$67.65
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Aluminum return - 18", 18"

Aluminum return - 18", 18"

$59.60
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Aluminum return - x, 18"

Aluminum return - x, 18"

$145.92
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18x18 return air grille - 18x18’’,

18x18 return air grille - 18x18’’,

$24.99
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Grainger approved 4mjn9 return - approved,

Grainger approved 4mjn9 return - approved,

$12.99
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Heavy duty brown - brown, floor

Heavy duty brown - brown, floor

$156.17
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Square air vent cover - square, 18

Square air vent cover - square, 18

$41.99
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Truaire 17018x18 steel - truaire, 18"

Truaire 17018x18 steel - truaire, 18"

$38.23
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18x18 duct opening steel - duct,

18x18 duct opening steel - duct,

$37.99
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Rectorseal 1050 18x18 - 1050-18x18, stamped

Rectorseal 1050 18x18 - 1050-18x18, stamped

$54.51
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White wall return air grilles - wall,

White wall return air grilles - wall,

$36.59
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Steel - 18",

Steel - 18",

$33.45
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X18 aluminum alloy - 18"x18",

X18 aluminum alloy - 18"x18",

$48.45
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Aluminum return - x,

Aluminum return - x,

$85.85
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Reliable gfxfs 18x18 return - reliable,gfxfs, 18x18,

Reliable gfxfs 18x18 return - reliable,gfxfs, 18x18,

$69.99
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Titus 350fl 18x18 return - titus,

Titus 350fl 18x18 return - titus,

$59.99
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Goodman a27018x18 aluminum - goodman,

Goodman a27018x18 aluminum - goodman,

$118.02
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Everbilt 18 air - everbilt, 18”

Everbilt 18 air - everbilt, 18”

$20.00
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Aluminum return - x, 18"

Aluminum return - x, 18"

$53.99
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18x18 return air filter grille - filter,

18x18 return air filter grille - filter,

$44.00
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Steel return air - 18,

Steel return air - 18,

$40.00
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Handua 18x18 aluminum return - 18x18,

Handua 18x18 aluminum return - 18x18,

$96.26
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Pp11 18185 practical pleat - practical,

Pp11 18185 practical pleat - practical,

$191.90
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Airmate 170 18x18 - airmate, x

Airmate 170 18x18 - airmate, x

$37.42
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Patikil square air vent cover - patikil,

Patikil square air vent cover - patikil,

$96.51
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Aluminum eggcrate return air - aluminum,

Aluminum eggcrate return air - aluminum,

$49.99
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Rectorseal 17018 18x18 stamped - rectorseal,

Rectorseal 17018 18x18 stamped - rectorseal,

$51.05
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Aluminum return - x,

Aluminum return - x,

$90.63
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Aluminum return - 18",

Aluminum return - 18",

$114.88
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Square air vent cover - vent, 18

Square air vent cover - vent, 18

$67.09
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Square air vent cover x - vent,

Square air vent cover x - vent,

$49.26
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X 2 practical pleat - x,

X 2 practical pleat - x,

$180.00
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Return air filter - air, grille

Return air filter - air, grille

$90.00
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New hart cooley - hart, steel

New hart cooley - hart, steel

$20.00
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Qty proselct x 18 - x, 18"

Qty proselct x 18 - x, 18"

$89.99
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X 5 practical - practical, pleat

X 5 practical - practical, pleat

$212.00
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Sleek black 18 return - 18'', x

Sleek black 18 return - 18'', x

$78.77
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Return air plenum for filter - ,

Return air plenum for filter - ,

$129.00
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Tuttle and bailey t70d 18x18 - and,

Tuttle and bailey t70d 18x18 - and,

$45.12
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Venti air hfg1818f x18 - air,

Venti air hfg1818f x18 - air,

$58.84
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Heavy duty white - duty, floor

Heavy duty white - duty, floor

$81.33
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Truaire 170 18x18 return air - 170,

Truaire 170 18x18 return air - 170,

$29.99
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Airmate 170ff 18x18 - 170ff_18x18-w, return

Airmate 170ff 18x18 - 170ff_18x18-w, return

$56.47
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Pack square white aluminum - 4,

Pack square white aluminum - 4,

$60.00
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Rocky mountain goods 18x18 - mountain,

Rocky mountain goods 18x18 - mountain,

$29.99
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Zephyr 18x18x3 merv media - 18x18x3,

Zephyr 18x18x3 merv media - 18x18x3,

$116.97
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Hart cooley 673 1818 18x18 - 673-1818,

Hart cooley 673 1818 18x18 - 673-1818,

$71.72
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Return air filter grille 18x18 - return,

Return air filter grille 18x18 - return,

$55.95
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Rectorseal 190rf18x18 18x18 - 190rf18x18,

Rectorseal 190rf18x18 18x18 - 190rf18x18,

$92.67
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Set two x 18 in - set, of

Set two x 18 in - set, of

$26.99
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18x18 steel return air - steel,

18x18 steel return air - steel,

$86.91
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Hart cooley 043152 18x18 - 043152,

Hart cooley 043152 18x18 - 043152,

$48.84
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18x18 vent cover with - 18x18,

18x18 vent cover with - 18x18,

$85.47
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18 aluminum return - 18",

18 aluminum return - 18",

$21.35
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Return air plenum for - , filter

Return air plenum for - , filter

$129.00
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Return air plenum for filter - ,

Return air plenum for filter - ,

$129.00
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New old stocktuttle and bailey - new,

New old stocktuttle and bailey - new,

$29.95
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Hart cooley 6731818w - hart,

Hart cooley 6731818w - hart,

$61.85
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2pcs x18 aluminum alloy - 18"x18",

2pcs x18 aluminum alloy - 18"x18",

$68.75
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Square air vent cover 18 - air,

Square air vent cover 18 - air,

$80.21
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Usaire aluminum cube core - cube,

Usaire aluminum cube core - cube,

$109.99
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Truaire 332661 smoothglide - 332661,

Truaire 332661 smoothglide - 332661,

$79.99
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Return air plenum - ,

Return air plenum - ,

$129.00
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Fits 18x18 duct opening - 18x18,

Fits 18x18 duct opening - 18x18,

$60.53
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Hart cooley rh45 x 18 - &, 18"

Hart cooley rh45 x 18 - &, 18"

$74.99
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Return air filter grille 18x18 - filter,

Return air filter grille 18x18 - filter,

$29.99
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Hart cooley white - hart/cooley,

Hart cooley white - hart/cooley,

$49.99
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X 5 practical - x,

X 5 practical - x,

$212.00
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18 practical - (4,

18 practical - (4,

$180.00
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Lirast 18x18 vent - 18x18,

Lirast 18x18 vent - 18x18,

$104.97
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X18 furnace return air - furnace,

X18 furnace return air - furnace,

$238.00
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Fits 18x18 duct opening - 18x18, steel

Fits 18x18 duct opening - 18x18, steel

$72.90
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Airmate 01151818cw return air - 01151818cw,

Airmate 01151818cw return air - 01151818cw,

$55.39
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Fits 18x18 duct - fits, steel

Fits 18x18 duct - fits, steel

$102.99
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Hart cooley 673 18x18 - hart, &

Hart cooley 673 18x18 - hart, &

$90.40
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For hvac premium steel - for, 1

For hvac premium steel - for, 1

$47.00
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Hart cooley 043513 673 - hart, &

Hart cooley 043513 673 - hart, &

$85.66
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Square air vent cover 18 - square,

Square air vent cover 18 - square,

$84.43
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Square air vent cover - air,

Square air vent cover - air,

$83.64
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Steel return air - x,

Steel return air - x,

$55.20
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Honeywell fc40r1185 return - fc40r1185,

Honeywell fc40r1185 return - fc40r1185,

$81.97
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X18 aluminum alloy return - aluminum,

X18 aluminum alloy return - aluminum,

$101.01
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Return air box register boot - return, box,

Return air box register boot - return, box,

$115.00
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Fits 18x18 duct opening - opening, |

Fits 18x18 duct opening - opening, |

$92.61
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2pcs x18 aluminum alloy - aluminum,

2pcs x18 aluminum alloy - aluminum,

$163.53
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Choose size practical pleat - -,

Choose size practical pleat - -,

$131.27
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Hart cooley 043348 - hart,

Hart cooley 043348 - hart,

$60.10
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673 18x18 hart - &, cooley

673 18x18 hart - &, cooley

$30.92
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Twelve pines 18 - , steel

Twelve pines 18 - , steel

$71.59
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Fancat return air filter - fancat,

Fancat return air filter - fancat,

$106.98
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Fits 18x18 duct - duct, opening

Fits 18x18 duct - duct, opening

$80.58
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Truaire vents h170 x 18 - 18,

Truaire vents h170 x 18 - 18,

$35.99
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Metal industries return air - industries,

Metal industries return air - industries,

$100.00
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18x18 heavy duty return - heavy,

18x18 heavy duty return - heavy,

$55.00
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Twelve pines x18 vent - vent, cover

Twelve pines x18 vent - vent, cover

$76.85
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📊96 listings · from $12.99 · avg $79.64
⚠️ These listings were last updated more than 12 days ago. Search for fresh listings

Browse 96 18x18 return grille listings currently in our index. Prices range from $12.99 to $238, with an average of $79.64. Whether you are hunting for a bargain or looking for a top-spec model, the selection below covers all price points — new, used and refurbished. More about 18x18 return grille →

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Everything you need to know about 18x18 return grille

Whether you are looking for a brand-new or second-hand 18x18 return grille, eBay offers one of the largest selections available online. With 96 active listings at the time of this page's last update, you have plenty of choice across different conditions, sellers and price points. The cheapest option currently starts at $12.99, while premium listings can reach $238 — giving you a wide budget spread to work with. The average price of $79.64 can serve as a useful benchmark: listings below this tend to be used or auction-style, while those above often include extra accessories, warranties, or are sold by professional sellers with high feedback scores. Always check the seller's feedback rating and return policy before committing to a purchase. If you need the item quickly, filter by "Buy It Now" to avoid the uncertainty of auctions. For used items, look closely at the condition description and photos — terms like "good", "very good" and "like new" can mean very different things depending on the seller.

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