Grilles, Registers & Diffusers. Shop Koopman // Order Online • Pickup Instore • Save Time

Air Vent 00592 Mini Louver, Round, Aluminum, White

Air Vent Mini Louver, Aluminum, White, Net Free Area: 0.18 sq-in, Round

$6.99

Air Vent 500000 Mini Louver, Round, Aluminum, Mill

Air Vent Mini Louver, Aluminum, Mill, Net Free Area: 0.18 sq-in, Round

$5.69

Air Vent 50002 Mini Louver, Round, Aluminum, Mill

Air Vent Mini Louver, Aluminum, Mill, Net Free Area: 1.34 sq-in, Round

$9.99

Air Vent 50003 Mini Louver, Round, Aluminum, Mill

Air Vent Mini Louver, Aluminum, Mill, Net Free Area: 2.88 sq-in, Round

$11.99

Air Vent 50005 Mini Louver, Round, Aluminum, White

Air Vent Mini Louver, Aluminum, White, Net Free Area: 0.47 sq-in, Round

$9.99

Air Vent 50006 Mini Louver, Round, Aluminum, White

Air Vent Mini Louver, Aluminum, White, Net Free Area: 1.34 sq-in, Round

$10.99

AmeriFlow 3015W15R Baseboard Diffuser, 15 in L, Steel, White

AmeriFlow Baseboard Diffuser, 2-3/4 in Projection, 12 in W Duct Opening, Steel, White, Baseboard Installation, 15 in L, 4-1/2 in H

$17.99

AmeriFlow 413B4X10-R Floor Register, 11.5 in W, Steel, Brown, Enamel

AmeriFlow Floor Register, Stamped Faceplate, 10 in W Duct Opening, 4 in H Duct Opening, Steel, Enamel, Brown, Lay-In Installation, 11.5 in W, 5.5 in H

$9.99

AmeriFlow 413B4X12-R Floor Register, 13.5 in W, Steel, Brown, Enamel

AmeriFlow Floor Register, Stamped Faceplate, 12 in W Duct Opening, 4 in H Duct Opening, Steel, Enamel, Brown, Lay-In Installation, 13.5 in W, 5.5 in H

$10.99

AmeriFlow 413W4X12R Floor Register, 13.5 in W, Steel, White

AmeriFlow Floor Register, 12 in W Duct Opening, 4 in H Duct Opening, Steel, White, 13.5 in W, 5.5 in H

$7.59

AmeriFlow 456B4X8-R Mobile Home Floor Register, 10 in W, 22 deg Air Deflection, Steel, Brown

AmeriFlow Mobile Home Floor Register, Air Deflection Angle: 22 deg, 8 in W Duct Opening, 4 in H Duct Opening, Steel, Brown, Lay-In, Screw-In Installation, 10 in W, 6 in H

$6.99

Everbilt E102M 12X04 Wall/Ceiling Register, 13-3/4 in W, 2-Way, Steel, White

Everbilt Wall/Ceiling Register, 2 -Way, 12 in W Duct Opening, 4 in H Duct Opening, Steel, White, 13-3/4 in W, 5-3/4 in H

$12.99

Everbilt E150MW 02X12 Floor Diffuser, 3-3/4 in L, 13-1/2 in W, Steel, White, Powder-Coated

Everbilt Floor Diffuser, 12 in W Duct Opening, 2 in H Duct Opening, Rectangle, Steel, Powder-Coated, White, 3-3/4 in L, 13-1/2 in W

$6.99

Everbilt E150MW 02X14 Floor Diffuser, 3-3/4 in L, 15-1/2 in W, Steel, White, Powder-Coated

Everbilt Floor Diffuser, 14 in W Duct Opening, 2 in H Duct Opening, Rectangle, Steel, Powder-Coated, White, 3-3/4 in L, 15-1/2 in W

$7.99

Frost King HD5 Heat and Air Deflector, 10 to 14 in L, 9-3/8 in W, Plastic, Clear

During the Winter, the curved air deflector directs warm air down for improved heating. In the Summer point the vents up to direct the air conditioning towards the ceiling for improved cooling. Plus you can easily cover up drafty vents with the Frost King magnetic vent covers.

$3.49

Imperial DR-06 Premium Round Air Diffuser with Collar, Steel, White

Overlapping rings stepped down for efficient, draft-free diffusion. Outer ring design resists ceiling smudging. Made of white polypropylene and supplied with an adaptor. Two flow settings for easy control of air intake or output from 0 to 100% for outstanding efficiency. Can be connected to a flexible or rigid duct.

$21.99

Imperial RG0019 Return Air Grille, 13-1/4 in L, 7-1/4 in W, Steel, White

One-piece all-steel construction. 1/3 in fins set at 20 deg angle. 7/8 in margin turnback. Painted grilles have a durable powder-coat finish.

$6.99

Imperial RG0033 Return Air Grille, 15-1/4 in L, 7-1/4 in W, Steel, White

One-piece all-steel construction. 1/3 in fins set at 20 deg angle. 7/8 in margin turnback. Painted grilles have a durable powder-coat finish.

$7.99

Imperial RG0133 Ceiling Register, 5-1/4 in L, 11-1/4 in W, Steel, White

All-steel construction. Widespread air diffusion, damper control, rolled fin for strength and safety. Painted metal grill have a durable powder-coat painted finish. Mounting holes at each end, screws included.

$6.99

Imperial RG0157 Floor Register, 3-1/2 in L, 11-1/4 in W, Steel, White

All-steel construction. Widespread air diffusion. Easy to operate damper control. Rolled fin for strength and safety. Measure the length and width of the opening. Subtract 1/8 to 1/4 in (depending on how square the opening is) and this is the inside dimensions. Painted metal registers have a durable powder-coat finish.

$5.99

Imperial RG0210 Floor Register, 4-1/4 in L, 11-1/4 in W, Steel, Brown

All-steel construction. Widespread air diffusion. Easy to operate damper control. Rolled fin for strength and safety. Measure the length and width of the opening. Subtract 1/8 to 1/4 in (depending on how square the opening is) and this is the inside dimensions. Painted metal registers have a durable powder-coat finish.

$5.99

Imperial RG0234 Floor Register, 5-1/4 in L, 11-1/4 in W, Steel, Brown

All-steel construction. Widespread air diffusion. Easy to operate damper control. Rolled fin for strength and safety. Measure the length and width of the opening. Subtract 1/8 to 1/4 in (depending on how square the opening is) and this is the inside dimensions. Painted metal registers have a durable powder-coat finish.

$5.99

Imperial RG0257 Floor Register, 5-1/4 in L, 13-1/4 in W, Steel, Brown

All-steel construction. Widespread air diffusion. Easy to operate damper control. Rolled fin for strength and safety. Measure the length and width of the opening. Subtract 1/8 to 1/4 in (depending on how square the opening is) and this is the inside dimensions. Painted metal registers have a durable powder-coat finish.

$6.99

Imperial RG0289 Multi-Shutter Register, 5-1/4 in L, 11-1/4 in W, Steel, White

Ideal for heating or cooling. All-steel construction, two-way air deflection, 1/3 in vertical fins set at 20 deg angle. 3/16 in margin turnback, full range multi-louver valve. Durable powder-coat painted finish.

$11.99

Imperial RG0291 Multi-Shutter Register, Steel, White

Ideal for heating or cooling. All-steel construction, two-way air deflection, 1/3 in vertical fins set at 20 deg angle. 3/16 in margin turnback, full range multi-louver valve. Durable powder-coat painted finish.

$13.99

Imperial RG0299 Multi-Shutter Register, 7-1/4 in L, 13-1/4 in W, Steel, White

Ideal for heating or cooling. All-steel construction, two-way air deflection, 1/3 in vertical fins set at 20 deg angle. 3/16 in margin turnback, full range multi-louver valve. Durable powder-coat painted finish.

$13.99

Imperial RG0341 Sidewall Grille, 11-1/4 in L, 5-1/4 in W, Steel, White

One-piece all-steel construction. 1/3 in spaced fins set at 20 deg angle, 3/16 in margin turnback. Painted metal grilles have a durable powder-coat finish.

$5.69

Imperial RG0375 Sidewall Grille, 13-1/4 in L, 5-1/4 in W, Steel, White

One-piece all-steel construction. 1/3 in spaced fins set at 20 deg angle, 3/16 in margin turnback. Painted metal grilles have a durable powder-coat finish.

$6.49

Imperial RG0385 Sidewall Grille, 13-1/4 in L, 7-1/4 in W, Steel, White

One-piece all-steel construction. 1/3 in spaced fins set at 20 deg angle, 3/16 in margin turnback. Painted metal grilles have a durable powder-coat finish.

$6.99

Imperial RG0513 Sidewall Grille, 25-1/4 in L, 7-1/4 in W, Steel, White

One-piece all-steel construction. 1/3 in spaced fins set at 20 deg angle, 3/16 in margin turnback. Painted metal grilles have a durable powder-coat finish.

$9.99

Imperial RG0690 Air Grille, 12 in L, 14 in W, Steel, Brown

Heavy-gauge steel construction. Individually-assembled strong steel bars, extremely rigid, smooth, firm surface. Painted metal grilles have a durable powder-coat finish.

$25.99

Imperial RG1115 Air Grille, 6 in L, 14 in W, Steel, Brown

Heavy-gauge steel construction. Individually-assembled strong steel bars, extremely rigid, smooth, firm surface. Painted metal grilles have a durable powder-coat finish.

$16.99

Imperial RG1184 Air Grille, 8 in L, 10 in W, Steel, Brown

Heavy-gauge steel construction. Individually-assembled strong steel bars, extremely rigid, smooth, firm surface. Painted metal grilles have a durable powder-coat finish.

$15.99

Imperial RG1191 Air Grille, 8 in L, 12 in W, Steel, Brown

Heavy-gauge steel construction. Individually-assembled strong steel bars, extremely rigid, smooth, firm surface. Painted metal grilles have a durable powder-coat finish.

$17.99

Imperial RG1199 Air Grille, 8 in L, 14 in W, Steel, Brown

Heavy-gauge steel construction. Individually-assembled strong steel bars, extremely rigid, smooth, firm surface. Painted metal grilles have a durable powder-coat finish.

$17.99

Imperial RG1280A Toe Space Grille, 4 in L, 10 in W, Steel, White

All-steel construction. Widespread air diffusion. May be used as outlet or inlet. Durable powder-coat painted finish. Mounting holes at each end.

$3.79