Grilles and Registers (Rectangular)

1. 3 Slot Ac Grille
2. 3 Slot Ac Grilles

Linear Grille, Linear Slot Diffuser, Ceiling Diffuser, Side Wall Grille. This Linear Slot Grille is normally used for most applications and supply cooled and heated air. The air flow can be adjusted from the blade with each slot, allowing a full 180 degree air direction adjustment. All Aluminum Slot Grilles & Slot Diffusers, Available in 1,2 3, 4 way, Slot Grilles With or Slot Grilles Without Dampers, Custom Size Slot Diffusers Avaliable, White or Satin Aluminum Slot Grilles View Pricing.

Dayus DABL and DABLD Bar Linear Grilles - Made to Order

MADE TO ORDER Dayus DABL and DABLD stylish bar linear grilles and registers. Extruded aluminum construction. Full depth and options. Some sizes suitable for floor use. Any size in 3 days!

Dayus Shallow Bar Linear Grilles

Shallow bar linear grilles. 1/2 inch ultra shallow depth. Available in 2, 3, 4, and 6 inch widths only. NOT suitable for floor use. MADE TO ORDER - Any size in 3 days!

Dayus Bar Linear FLOOR Grilles and Registers

Bar linear grilles and registers for FLOOR USE. DAF and DAFG style. Available with dampers for flow control. MADE TO ORDER - Any size in 3 days!

TRUaire 154R Series Heavy Duty Floor Return Air Grilles

Heavy duty floor return air grilles. Steel construction. Powder coated brown finish. IN STOCK!

TRUaire 157MB Series Heavy Duty Deluxe Floor Diffuser

Deluxe heavy duty floor diffusers with damper (supply grille). Steel construction. Powder coated brown finish. IN STOCK!

Dayus Grilles and Registers - Multiple Styles

Multiple styles of return/supply air grilles and registers. All aluminum construction. Rectangular. MADE TO ORDER - Any size in 3 days!

TRUaire 102M Series Stamped 2 Way Sidewall and Ceiling Registers

Stamped steel 2-way sidewall or ceiling registers. 2 way air pattern. White powder coated finish. IN STOCK!

TRUaire 103M Series Stamped 3 Way Sidewall and Ceiling Registers

Stamped steel 3-way sidewall or ceiling registers. 3 way air pattern. White powder coated finish. IN STOCK!

TRUaire 104M Series Stamped 4 Way Sidewall and Ceiling Registers

Stamped steel 4-way sidewall or ceiling registers. 4 way air pattern. White powder coated finish. IN STOCK!

TRUaire 210 Series Steel Single Deflection Adjustable Bar Grilles

Single deflection side wall or ceiling grilles with adjustable bars. STEEL construction with a durable white powder coat finish.

TRUaire A210 Series Aluminum Single Deflection Adjustable Bar Grilles

Single deflection side wall or ceiling grilles with adjustable bars. ALUMINUM with a white powder coat finish.

TRUaire A220 Series Aluminum Double Deflection Adjustable Bar Grilles

Double deflection side wall or ceiling grilles with adjustable bars. ALUMINUM with a white powder coat finish.

SteelCrest Bronze Series Custom Metal Grilles and Registers

Available in Tuscan, Square and Slotted design. Four finishes. 18 gauge stamped steel. MADE TO ORDER.

SteelCrest Silver Series Custom Metal Grilles and Registers

Six designs from contemporary to traditional. Five finishes. Laser cut from 1/8-inch thick steel (11 gauge). Supply grilles include an air control damper. MADE TO ORDER.

SteelCrest Gold Series Custom Metal Grilles and Registers

Huge selection of designs and finishes!. Laser cut from 1/8-inch thick steel (11 gauge). Supply grilles include an attached air control damper. MADE TO ORDER.

SteelCrest Pro-Linear Custom Metal Grilles and Registers

Linear bar horizontal design. Five finishes plus STAINLESS STEEL. Laser cut from 1/8-inch thick steel (11 gauge). Horizontal linear bars. MADE TO ORDER.

SteelCrest Pro-Vertical Custom Metal Grilles and Registers

Linear bar vertical design. Five finishes plus STAINLESS STEEL. Laser cut from 1/8-inch thick steel (11 gauge). Vertical linear bars. MADE TO ORDER.

AirScape Custom Flat Perforated Grilles

Custom size and pattern perforated grilles. 1/8' aluminum with mill or powder coated finish.

SteelCrest Heavy Duty Metal Baseboard Registers

Heavy duty baseboard registers. 11 gauge steel construction. Available in supply, with a damper, or a return with no damper. MADE TO ORDER.

TRUaire 168 Series Solid Oak Registers and Grilles

Solid oak registers and grilles. Available in light and dark finishes as well as unfinished. IN STOCK!

Lifebreath Kitchen Exhaust Grille with Grease Filter

Hinged 6x10 inch kitchen exhaust grille with included washable aluminum grease filter. White.

Dayus Non-Vision Door Grilles

Non-vision door grilles. Inverted V rollformed blades on 2/3” spacing providing a stylish appearance on both sides. MADE TO ORDER - Any size in 3 days!

SMI Ventilation Essex Series Base Board Grilles

Essex BASE BOARD polymer resin (plastic) decorative grilles. Paintable. White.

SMI Ventilation Essex Series Wall Mount Grilles

Essex WALL MOUNT polymer resin (plastic) decorative grilles. Paintable. White.

SMI Ventilation Victorian Series Base Board Grilles

Victorian BASE BOARD polymer resin (plastic) decorative grilles. Paintable. White.

SMI Ventilation Victorian Series Wall Mount Grilles

Victorian WALL MOUNT polymer resin (plastic) decorative grilles. Paintable. White.

Airtec Series MV Ceiling Diffusers and Grilles

Unique plastic ceiling diffusers which incorporate an integral ceiling box. Quick tear off bands allow for easy size changes and swinging clips for fastening to the ceiling.

Airtec Series MVA Retro Ceiling Diffusers and Grilles

Plastic ceiling diffusers with an integral ceiling box. Quick tear off bands for easy size changes. Simulated cast iron grille offers an upsale look for premium installations.

Airtec Series GR and GRD Low Clearance Ceiling Grilles - No Boot

Grille only or grille with damper for limited clearance side or top entry applications. Plastic construction.

Airtec 24 Inch O/C Drop Ceiling Flange

Designed to increase strength and performance for lay-in type ceilings. The DCF transfers weight onto the T-Bars to prevent tiles from sagging over time.

Airtec Rough In Flanges For New Construction

Designed for new construction, the RCF flashing can be fastened directly to rough framing. Made from durable stainless steel.

Airtec TuffBox quick rough-in polymer register box for HVAC systems

Rough-in polymer register/ grille box. Tuffbox is virtually air tight, delivering 100% of the air flowing through it. Use with any standard grille.

TRUaire 520F and 520B Series Modular Core Surface Mount Diffusers

Surface mount design for drywall or sheetrock installations. Made with modular cores that can be arranged in 1, 2, 3 or 4 way throw configurations.

TRUaire A540F and A540B Series Directional Surface Mount Diffusers

Surface mount design for drywall or sheetrock installations. Removable core. Flat frame or beveled frame style.

3 Slot Ac Grille

Dayus DSSR Square to Round Transitions

Dayus DSSR square to round transitions for grilles. Galvanized metal. MADE TO ORDER - Any size in 3 days!

HVACQuick Custom Square to Round Duct Transitions

Custom made to order. Available for 4, 5, 6, 8, 10, 12, or 14-inch diameter duct. Rectangular dimensions from 6 to 24 inches in half inch increments.

• residential

  • AirFlow Boosting
  • Grilles & Registers
  • Air Handlers
  • Attic Fans & Vents
  • Bathroom Ventilation
  • Boosters & Exp Tanks
  • Crawlspace-Radon Ventilation
  • COVID-19 Mitigation
  • Condensate Pumps
  • Dryer-boosting
  • Fans
  • Filters, HEPA & Filter Boxes
  • HRVs and ERVs
  • Floor Heating
  • Indoor Air Quality - IAQ
  • Kitchen Exhaust
  • Makeup Air
  • Pumps & Instant Hot Water
  • Tankless & Flue Venting
  • Thermostats and Fan Controls
  • Title 24 Products
  • Whole House Fans
  • Wine Cellar Coolers
  • Ventilation Accessories

why buy from us?

3 Slot Ac Grilles

We're engineers passionate about home ventilation and serious about customer service – so you can count on us for carefully-selected equipment and expert advice to ensure your project is a success from specification to installation.

Your call is answered by qualified people who will gladly discuss your project in detail, advise you professionally and never sell you inappropriate products.