Shop Price-HVAC LFD Diffusers

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$24.99
CRYPTIC - 2" Linear Slot Diffuser - 1 Slot Modern AC Vent Cover 10X2
Cryptic Air - Merchant Center
$24.99
CRYPTIC - 2" Linear Slot Diffuser - 1 Slot Modern AC Vent Cover 10X2
Cryptic Air - Merchant Center
$208.99
CRYPTIC - 16" Linear Slot Diffuser - 8 Slot Modern AC Vent Cover 34X16
Cryptic Air - Merchant Center
$208.99
CRYPTIC - 16" Linear Slot Diffuser - 8 Slot Modern AC Vent Cover 34X16
Cryptic Air - Merchant Center
$59.99
CRYPTIC - 10" Linear Slot Diffuser - 5 Slot Modern AC Vent Cover 14X10
Cryptic Air - Merchant Center
$59.99
CRYPTIC - 10" Linear Slot Diffuser - 5 Slot Modern AC Vent Cover 14X10
Cryptic Air - Merchant Center
$84.99
CRYPTIC 4" Linear Slot Diffuser - 2 Slot Modern AC Vent Cover 48X4
Cryptic Air - Merchant Center
$84.99
CRYPTIC 4" Linear Slot Diffuser - 2 Slot Modern AC Vent Cover 48X4
Cryptic Air - Merchant Center
$220.99
CRYPTIC - 8" Linear Slot Diffuser - 4 Slot Modern AC Vent Cover 72X8
Cryptic Air - Merchant Center
$220.99
CRYPTIC - 8" Linear Slot Diffuser - 4 Slot Modern AC Vent Cover 72X8
Cryptic Air - Merchant Center
$214.99
CRYPTIC - 24" Linear Slot Diffuser - 12 Slot Modern AC Vent Cover 24X24
Cryptic Air - Merchant Center
$214.99
CRYPTIC - 24" Linear Slot Diffuser - 12 Slot Modern AC Vent Cover 24X24
Cryptic Air - Merchant Center
$46.99
CRYPTIC - 2" Linear Slot Diffuser - 1 Slot Modern AC Vent Cover 30X2
Cryptic Air - Merchant Center
$46.99
CRYPTIC - 2" Linear Slot Diffuser - 1 Slot Modern AC Vent Cover 30X2
Cryptic Air - Merchant Center
$67.99
CRYPTIC - 2" Linear Slot Diffuser - 1 Slot Modern AC Vent Cover 60X2
Cryptic Air - Merchant Center
$67.99
CRYPTIC - 2" Linear Slot Diffuser - 1 Slot Modern AC Vent Cover 60X2
Cryptic Air - Merchant Center
$46.34
12.5" Round White Plastic Standard Air Grille Air Diffuser Bu Airtec Rectorseal
1800ceiling.com
$46.34
12.5" Round White Plastic Standard Air Grille Air Diffuser Bu Airtec Rectorseal
1800ceiling.com
$67.95
American Louver Plaque, Plastic Diffuser American Louver
1800ceiling.com
$67.95
American Louver Plaque, Plastic Diffuser American Louver
1800ceiling.com
$621.44
07178202 (D1610) DOWNFLOW UNIT HTR. RADIAL LOUVERED CONE DIFFUSER 25-50KW MODELS
Kelly & Hayes Electrical Supply
$621.44
07178202 (D1610) DOWNFLOW UNIT HTR. RADIAL LOUVERED CONE DIFFUSER 25-50KW MODELS
Kelly & Hayes Electrical Supply
$4,079.87
$4,895.84
Four Way Throw Right Angle Concentric Diffuser With Drum Louver 21.5" / 12" / 58" / 18" / 50" X 22" / 42" X 42" / 48" X 6" / 5200 -10800
Advantage Mechanical Supply
16% off
$4,079.87
$4,895.84
Four Way Throw Right Angle Concentric Diffuser With Drum Louver 21.5" / 12" / 58" / 18" / 50" X 22" / 42" X 42" / 48" X 6" / 5200 -10800
Advantage Mechanical Supply
$70.72
American Louver Diffuser: Ceiling, 23 3/4 in H, 23 3/4 in W, Lay-In, 12 in Duct, Plastic, Square Plaque, White Model: STR-PQ-12W
Grainger
1
$70.72
American Louver Diffuser: Ceiling, 23 3/4 in H, 23 3/4 in W, Lay-In, 12 in Duct, Plastic, Square Plaque, White Model: STR-PQ-12W
Grainger
$32.00
$46.34
Rectorseal Truaire Grille/Damper 81914 Plastic Ceiling Diffuser With Incorporated Ceiling Box, Easy Installation, HVAC, 8X8 4 Way Grille/Damper
Amazon.com
125
30% off
$32.00
$46.34
Rectorseal Truaire Grille/Damper 81914 Plastic Ceiling Diffuser With Incorporated Ceiling Box, Easy Installation, HVAC, 8X8 4 Way Grille/Damper
Amazon.com
$46.34
1'X1' White Plastic Air Return With Air Damper By Airtec Airtec
1800ceiling.com
$46.34
1'X1' White Plastic Air Return With Air Damper By Airtec Airtec
1800ceiling.com
$76.09
American Louver Diffuser: Ceiling, 23 3/4 in H, 23 3/4 in W, Lay-In, 6 To 14 in Duct, Plastic, Square Plaque, White Model: STR-PQ-W-NRD
Grainger
$76.09
American Louver Diffuser: Ceiling, 23 3/4 in H, 23 3/4 in W, Lay-In, 6 To 14 in Duct, Plastic, Square Plaque, White Model: STR-PQ-W-NRD
Grainger
$29.49
HVAC Premium 12" X 8" 1-Way AIR Supply Grille - Vent Cover & Diffuser - Flat Stamped Face - White [Outer Dimensions: 13.75"W X 9.75"H]
Amazon.com
7K+
$29.49
HVAC Premium 12" X 8" 1-Way AIR Supply Grille - Vent Cover & Diffuser - Flat Stamped Face - White [Outer Dimensions: 13.75"W X 9.75"H]
Amazon.com
$169.99
2025 Upgraded 3500 Sq.Ft Smart Scent Machine - HVAC System, Whole House Aroma & Hotel Collection Diffuser, Waterless Essential Oil Diffuser For Home,
Amazon.com
21
Free shipping
$169.99
2025 Upgraded 3500 Sq.Ft Smart Scent Machine - HVAC System, Whole House Aroma & Hotel Collection Diffuser, Waterless Essential Oil Diffuser For Home,
Amazon.com
$48.54
Plastic Air Diffusers 1'X1' White 2-Way Grille/Damper/Box (MV2)-Airtec Airtec
1800ceiling.com
7
$48.54
Plastic Air Diffusers 1'X1' White 2-Way Grille/Damper/Box (MV2)-Airtec Airtec
1800ceiling.com
$69.95
Tan Plastic 2'X2' Air Diffuser With 12" Collar American Louver
1800ceiling.com
$69.95
Tan Plastic 2'X2' Air Diffuser With 12" Collar American Louver
1800ceiling.com
$46.34
1'X1' Square Standard 4-Way Plastic Air Vent Rectorseal
1800ceiling.com
$46.34
1'X1' Square Standard 4-Way Plastic Air Vent Rectorseal
1800ceiling.com
$205.19
2026 Upgraded HVAC Scent Diffuser Machine 1000ML, Scent Air Machine With Wifi For Home, Hotel Diffuser Coverage 6000 Sq.Ft, Waterless Cold Air
Amazon.com
Free shipping
$205.19
2026 Upgraded HVAC Scent Diffuser Machine 1000ML, Scent Air Machine With Wifi For Home, Hotel Diffuser Coverage 6000 Sq.Ft, Waterless Cold Air
Amazon.com
$35.15
$39.06
8" X 8" ADJUSTABLE AIR SUPPLY DIFFUSER - HVAC Vent Duct Cover Sidewall Or Ceiling Black Steel - HVAC Premium
HVAC Premium
10% off
$35.15
$39.06
8" X 8" ADJUSTABLE AIR SUPPLY DIFFUSER - HVAC Vent Duct Cover Sidewall Or Ceiling Black Steel - HVAC Premium
HVAC Premium
$58.00
Havaco 2'X2' Lay-In 3 Cone Supply With 10" Pre-Molded Boot, ABS Plastic Supply Grille, Ceiling Diffuser For Air Vent, Ideal For Heating, Cooling, And
Amazon.com
248
Free shipping
$58.00
Havaco 2'X2' Lay-In 3 Cone Supply With 10" Pre-Molded Boot, ABS Plastic Supply Grille, Ceiling Diffuser For Air Vent, Ideal For Heating, Cooling, And
Amazon.com
$81.50
$101.90
RPEP - Steel Perforated Ceiling Diffuser/Return W Polifoam Metallic Gray
Advantage Mechanical Supply
20% off
$81.50
$101.90
RPEP - Steel Perforated Ceiling Diffuser/Return W Polifoam Metallic Gray
Advantage Mechanical Supply
$90.92
Price Diffuser: Ceiling, 24 in Dia, 24 in H, 24 in W, Lay-In, 10 in Duct, Steel, Square Plaque, White Model: SPD-GR000039
Grainger
$90.92
Price Diffuser: Ceiling, 24 in Dia, 24 in H, 24 in W, Lay-In, 10 in Duct, Steel, Square Plaque, White Model: SPD-GR000039
Grainger
$239.99
2026 Upgraded HVAC Scent Diffuser Machine, Wifi Control, Coverage 6000 Sq.Ft, Scent Air Machine For Home 1000ML, Waterless Cold Air Aromatherapy
Amazon.com
Free shipping
$239.99
2026 Upgraded HVAC Scent Diffuser Machine, Wifi Control, Coverage 6000 Sq.Ft, Scent Air Machine For Home 1000ML, Waterless Cold Air Aromatherapy
Amazon.com
$110.96
$123.29
36"W X 26"H [Duct Opening] Steel Air Vent Return Grille - HVAC VENT DUCT COVER DIFFUSER - [Outer Dimensions: 37.75"W X 27.75"H] White - HVAC Premium
HVAC Premium
10% off
$110.96
$123.29
36"W X 26"H [Duct Opening] Steel Air Vent Return Grille - HVAC VENT DUCT COVER DIFFUSER - [Outer Dimensions: 37.75"W X 27.75"H] White - HVAC Premium
HVAC Premium
$89.99
Filtered Air System For 2'X2' Air Diffuser 1800Ceiling.Com
1800ceiling.com
$89.99
Filtered Air System For 2'X2' Air Diffuser 1800Ceiling.Com
1800ceiling.com
$76.90
$85.44
20"W X 26"H [Duct Opening] Steel Air Vent Return Grille - HVAC VENT DUCT COVER DIFFUSER - [Outer Dimensions: 21.75"W X 27.75"H] White - HVAC Premium
HVAC Premium
$76.90
$85.44
20"W X 26"H [Duct Opening] Steel Air Vent Return Grille - HVAC VENT DUCT COVER DIFFUSER - [Outer Dimensions: 21.75"W X 27.75"H] White - HVAC Premium
HVAC Premium
$421.06
Io HVAC Controls VD-06 Vd-06 24" X 24", 6" Neck Diffuser W/ Thermostat, 118" To 710 Cfm Range Vav Diffuser, VD-06 | Supplyhouse.Com
SupplyHouse.com
$421.06
Io HVAC Controls VD-06 Vd-06 24" X 24", 6" Neck Diffuser W/ Thermostat, 118" To 710 Cfm Range Vav Diffuser, VD-06 | Supplyhouse.Com
SupplyHouse.com
$69.95
Plastic Air Diffusers 2'X2' Black Plastic Cone Style Air Diffuser 2'X2' W/12" Collar American Louver
1800ceiling.com
$69.95
Plastic Air Diffusers 2'X2' Black Plastic Cone Style Air Diffuser 2'X2' W/12" Collar American Louver
1800ceiling.com
$1,228.95
F-Matic Versa Aluminum Diffuser HVAC System Black 110V W/HVAC
Worldwide Janitor
$1,228.95
F-Matic Versa Aluminum Diffuser HVAC System Black 110V W/HVAC
Worldwide Janitor
$163.99
AMERICAN LOUVER Square Perforated Diffusers, White, STR-PERF-2212-5PK
Zoro.com
$163.99
AMERICAN LOUVER Square Perforated Diffusers, White, STR-PERF-2212-5PK
Zoro.com
$1,695.80
$1,971.36
Four Way Angled Face Concentric Diffuser 16.5" / 3.5" / 14" / 30" X 13" / 18" X 18" / 18" X 5" / 1000 - 2500
Advantage Mechanical Supply
13% off
$1,695.80
$1,971.36
Four Way Angled Face Concentric Diffuser 16.5" / 3.5" / 14" / 30" X 13" / 18" X 18" / 18" X 5" / 1000 - 2500
Advantage Mechanical Supply
$74.55
14 in. W X 6 in. H Adjustable Single Deflection Radius Mount Diffuser/Grille For 8 in. Dia Spiral Pipe
Home Depot
19
Free shipping
$74.55
14 in. W X 6 in. H Adjustable Single Deflection Radius Mount Diffuser/Grille For 8 in. Dia Spiral Pipe
Home Depot
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Shop Price-HVAC LFD Diffusers

Sponsored
About our ads
$24.99
CRYPTIC - 2" Linear Slot Diffuser - 1 Slot Modern AC Vent Cover 10X2
Cryptic Air - Merchant Center
$24.99
CRYPTIC - 2" Linear Slot Diffuser - 1 Slot Modern AC Vent Cover 10X2
Cryptic Air - Merchant Center
$208.99
CRYPTIC - 16" Linear Slot Diffuser - 8 Slot Modern AC Vent Cover 34X16
Cryptic Air - Merchant Center
$208.99
CRYPTIC - 16" Linear Slot Diffuser - 8 Slot Modern AC Vent Cover 34X16
Cryptic Air - Merchant Center
$59.99
CRYPTIC - 10" Linear Slot Diffuser - 5 Slot Modern AC Vent Cover 14X10
Cryptic Air - Merchant Center
$59.99
CRYPTIC - 10" Linear Slot Diffuser - 5 Slot Modern AC Vent Cover 14X10
Cryptic Air - Merchant Center
$84.99
CRYPTIC 4" Linear Slot Diffuser - 2 Slot Modern AC Vent Cover 48X4
Cryptic Air - Merchant Center
$84.99
CRYPTIC 4" Linear Slot Diffuser - 2 Slot Modern AC Vent Cover 48X4
Cryptic Air - Merchant Center
$220.99
CRYPTIC - 8" Linear Slot Diffuser - 4 Slot Modern AC Vent Cover 72X8
Cryptic Air - Merchant Center
$220.99
CRYPTIC - 8" Linear Slot Diffuser - 4 Slot Modern AC Vent Cover 72X8
Cryptic Air - Merchant Center
$214.99
CRYPTIC - 24" Linear Slot Diffuser - 12 Slot Modern AC Vent Cover 24X24
Cryptic Air - Merchant Center
$214.99
CRYPTIC - 24" Linear Slot Diffuser - 12 Slot Modern AC Vent Cover 24X24
Cryptic Air - Merchant Center
$46.99
CRYPTIC - 2" Linear Slot Diffuser - 1 Slot Modern AC Vent Cover 30X2
Cryptic Air - Merchant Center
$46.99
CRYPTIC - 2" Linear Slot Diffuser - 1 Slot Modern AC Vent Cover 30X2
Cryptic Air - Merchant Center
$67.99
CRYPTIC - 2" Linear Slot Diffuser - 1 Slot Modern AC Vent Cover 60X2
Cryptic Air - Merchant Center
$67.99
CRYPTIC - 2" Linear Slot Diffuser - 1 Slot Modern AC Vent Cover 60X2
Cryptic Air - Merchant Center
$46.34
12.5" Round White Plastic Standard Air Grille Air Diffuser Bu Airtec Rectorseal
1800ceiling.com
$46.34
12.5" Round White Plastic Standard Air Grille Air Diffuser Bu Airtec Rectorseal
1800ceiling.com
$67.95
American Louver Plaque, Plastic Diffuser American Louver
1800ceiling.com
$67.95
American Louver Plaque, Plastic Diffuser American Louver
1800ceiling.com
$621.44
07178202 (D1610) DOWNFLOW UNIT HTR. RADIAL LOUVERED CONE DIFFUSER 25-50KW MODELS
Kelly & Hayes Electrical Supply
$621.44
07178202 (D1610) DOWNFLOW UNIT HTR. RADIAL LOUVERED CONE DIFFUSER 25-50KW MODELS
Kelly & Hayes Electrical Supply
$4,079.87
$4,895.84
Four Way Throw Right Angle Concentric Diffuser With Drum Louver 21.5" / 12" / 58" / 18" / 50" X 22" / 42" X 42" / 48" X 6" / 5200 -10800
Advantage Mechanical Supply
16% off
$4,079.87
$4,895.84
Four Way Throw Right Angle Concentric Diffuser With Drum Louver 21.5" / 12" / 58" / 18" / 50" X 22" / 42" X 42" / 48" X 6" / 5200 -10800
Advantage Mechanical Supply
$70.72
American Louver Diffuser: Ceiling, 23 3/4 in H, 23 3/4 in W, Lay-In, 12 in Duct, Plastic, Square Plaque, White Model: STR-PQ-12W
Grainger
1
$70.72
American Louver Diffuser: Ceiling, 23 3/4 in H, 23 3/4 in W, Lay-In, 12 in Duct, Plastic, Square Plaque, White Model: STR-PQ-12W
Grainger
$32.00
$46.34
Rectorseal Truaire Grille/Damper 81914 Plastic Ceiling Diffuser With Incorporated Ceiling Box, Easy Installation, HVAC, 8X8 4 Way Grille/Damper
Amazon.com
125
30% off
$32.00
$46.34
Rectorseal Truaire Grille/Damper 81914 Plastic Ceiling Diffuser With Incorporated Ceiling Box, Easy Installation, HVAC, 8X8 4 Way Grille/Damper
Amazon.com
$46.34
1'X1' White Plastic Air Return With Air Damper By Airtec Airtec
1800ceiling.com
$46.34
1'X1' White Plastic Air Return With Air Damper By Airtec Airtec
1800ceiling.com
$76.09
American Louver Diffuser: Ceiling, 23 3/4 in H, 23 3/4 in W, Lay-In, 6 To 14 in Duct, Plastic, Square Plaque, White Model: STR-PQ-W-NRD
Grainger
$76.09
American Louver Diffuser: Ceiling, 23 3/4 in H, 23 3/4 in W, Lay-In, 6 To 14 in Duct, Plastic, Square Plaque, White Model: STR-PQ-W-NRD
Grainger
$29.49
HVAC Premium 12" X 8" 1-Way AIR Supply Grille - Vent Cover & Diffuser - Flat Stamped Face - White [Outer Dimensions: 13.75"W X 9.75"H]
Amazon.com
7K+
$29.49
HVAC Premium 12" X 8" 1-Way AIR Supply Grille - Vent Cover & Diffuser - Flat Stamped Face - White [Outer Dimensions: 13.75"W X 9.75"H]
Amazon.com
$169.99
2025 Upgraded 3500 Sq.Ft Smart Scent Machine - HVAC System, Whole House Aroma & Hotel Collection Diffuser, Waterless Essential Oil Diffuser For Home,
Amazon.com
21
Free shipping
$169.99
2025 Upgraded 3500 Sq.Ft Smart Scent Machine - HVAC System, Whole House Aroma & Hotel Collection Diffuser, Waterless Essential Oil Diffuser For Home,
Amazon.com