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

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, 6 in W Duct Opening, Steel, White

$21.99

Imperial DR-08 Premium Round Air Diffuser with Collar, 8 in W Duct Opening, 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 RG0033 Return Air Grille, 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 RG0157 Floor Register, 10 in W x 2-1/4 in H Duct Opening, 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 RG0179 Floor Register, 12 in W x 2-1/4 in H Duct Opening, 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.

$6.99

Imperial RG0198 Floor Register, 14 in W x 2-1/4 in H Duct Opening, 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.

$7.99

Imperial RG0234 Floor Register, 10 in W x 4 in H Duct Opening, 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.

$4.99

Imperial RG0247 Floor Register, 10 in W x 4 in H Duct Opening, Steel, White

$6.49

Imperial RG0267 Floor Register, 12 in W x 4 in H Duct Opening, 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.

$7.59

Imperial RG0289 Multi-Shutter Register, 10 in W x 4 in H Duct Opening, Steel, White

$11.99

Imperial RG0291 Multi-Shutter Register, 10 in W x 6 in H Duct Opening, Steel, White

$13.99

Imperial RG0297 Multi-Shutter Register, 12 in W x 4 in H Duct Opening, 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.

$12.99