How to Specify

Linear slot diffuser with air pattern controlling deflectors (Hit and miss damper). Hit and miss damper is fully adjustable from the face of the diffuser. OSLD-3 OPTIMA model OSLD-3 is a dummy or non active linear slot diffuser with hit and miss damper and a blanking plate to replace integral damper. Available from 1 through 8 slots with 3. TRUaire Commercial Surface Mount Linear Grilles and Diffusers represent the very best HVAC industry standards. Standard and custom sizes available.

AL20 [1] [2] [3] [4] [5] [6]

[1] Type:

• 50 - 1/2' slot
• 75 - 3/4' slot
• 10 - 1' slot

[2] Style:

1. Diffuser Only
2. Diffuser with pattern controller

[3] Number of Slots:

• 01-08 slots

[4] Mounting Style:

• B0 - T-Bar Lay-in -Diffuser Only
• E0 - Diffuser Only
• E1 - Hanger Bracket
• E2 - Standard Mounting Frame
• F0 - Screw holes in margin

[5] End Caps:

• E1 - One end
• E2 - Both ends
• 00 - None

[6] Length (inches)

• 12' min
• 999' max

[7] Finish

• CLR - Clear Anodized
• WHT - Bright White

• Extruded alumninum construction
• Three slot types: 50 (1/2' slot), 75 (3/4' slot), 10 (1' slot)
• One to eight slots wide for air volume of 10-350 cfm per foot
• Adjustable pattern controller
• Three margin styles: B, E, F
• 12' minimum length.
• Maximum one-piece length 72', lengths over 72' made in multiple units with pin splices for even continuous lengths (1/8' increments). 999' maximum continuous length.
• Available as diffuser-only or diffuser with pattern controller.

Margin Styles

B0 – T-Bar Lay-in Diffuser Only

Duct Width: A + 1/16
Overall Width: A + 7/8

E1

Overall Width: A + 3/4

Please see submittal drawing & hyperlink for details

E2

Overall Width: A + 3/4

Please see submittal drawing & hyperlink for details

E0 – Diffuser Only

Duct Width: A + 7/16
Overall Width: A + 7/8

F0 – Screw Holes in Margin

Duct Width: A + 7/16
Overall Width: A + 7/8

Mitered Corners

• 90-degree mitered corners are available as factory-fabricated section. Precise factory cutting and assembly reduces field fabrication time and assures proper fit. Corner sections are furnished and blanked off. Corner sections butt to adjacent straight sections, which are spliced together with aligning keys.
• Mitered corners are furnished in mounting style E2. When viewed from the room side, the mitered corner section appears identical to the butting straight sections.
• Plaster frame mitered corners can be specified with the outlet mitered corner.

How to Order

S [1] [2] [3] [4] [5] [6] [7]

[1] Type:

• 50 - 1/2' slot
• 75 - 3/4' slot
• 10 - 1' slot

Linear Slot Diffuser Sizes Calculator

[2] Number of Slots:

• 01-08 slots

[3] Mounting Style:

• B0 - T-Bar Lay-in -Diffuser Only
• E0 - Diffuser Only
• E1 - Hanger Bracket
• E2 - Standard Mounting Frame
• F0 - Screw holes in margin

[4] Milter Type:

• C - Ceiling
• SI - Sidewall Inside
• SO - Sidewall Outside

[5] MC

[6] 90

Linear Slot Diffuser Sizes

[7] Finish

• CLR - Clear Anodized
• WHT - Bright White

“Customize length between 0.6 to 15m”

“Customize length between 0.6 to 15m”