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  1. Home
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  3. Square/Round Diffusers
  4. M-Series Louvered Face-Square Neck
  5. MA Steel, adjustable pattern, square / rectangular neck
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MA Steel, adjustable pattern, square / rectangular neck

Square/ Round Diffusers

With a durable aluminum construction, the MA models can be manually adjustable from the face without the use of tools. These diffusers have a removable core and their neck sizes come in 3 increments only.

  • The product has removable snap-in cores provide easy access to the mounting margin and neck damper
  • The removable snap-in center cores are interchangeable between same size margins
  • The standard finish is White (WH) for the MA diffuser
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MA Steel, adjustable pattern, square / rectangular neck

  • Product Application
  • Features
  • Benefits
  • Product Documentation
  • Related Products

    Product Application

    There are very few products in the market that offer the kind of durability and adaptability our MA models can deliver. With a sturdy aluminum construction, they are manually adjustable from the face without the hassle of using specialized tools. They also have a removable core, making installation and maintenance effortless. These diffusers are perfect for heavy-duty applications.
    Product Application

    Features

    • The outer margins have the size and style to match project plans and schedules
    • Individual louvers have a horizontal lip to create a tight ceiling air pattern, even at reduced air flows
    • The manufacturer will provide published performance data tested in accordance with ANSI/ ASHRAE Standard 70-1991
    • Steel Opposed Blade Dampers (SMOBD), Aluminum Opposed Blade Dampers (AMOBD), Steel Plaster Frames (SMF), Aluminum Plaster Frames (ASMF), and Square to Round Adapters (SRM) are available as accessories. Trim frames and dampers are ordered separately and shipped loose for field installation
    • For margins, SF and SB, neck sizes available are from 6” x 6” to 24” x 24”
    • A square or rectangular inlet is an integral part of the margin assembly. The inner louver assembly is flush with the outer margin with a 1, 2, 3, or 4-way directional pattern
    • The inner core assembly is removable in the field, without the use of tools, for easy duct access and installation
    • Optional finishes include Mill (ML), Aluminum Paint (AP), Off-White (OW), Flat Black (FB), and Match Paint (MP)
    • The optional damper (SMOBD - Steel, AMOBD - Aluminum) will be operable from the diffuser face without the need of removing the spring-loaded inner core assembly
    • For margins LT, PL, and YM, available neck sizes are 6” x 6”, 18” x 18”, and 21” x 18”

    Benefits

    Smart Construction
    Smart Construction

    Constructed with a one-piece removable center core which features multiple deflecting louvers.

    Maximum Efficiency
    Maximum Efficiency

    The horizontal lip on the deflecting louver ensures a tight ceiling air pattern for excellent mixing.

    Adjustable Design
    Adjustable Design

    The MA diffuser is adjustable for either a horizontal ceiling pattern or a downward vertical pattern.

    Technical Resources

    Document Name
    Description
    Language
    Resource Type

    Data Sheet

    CD~MSERIES_FEA4_09 (English)

    M-Series Louvered Face-Square Neck - Ceiling Diffusers, Louvered Face-Square Neck M, MA, AM, AMA - Features

    English Data Sheet
    VIEW

    Data Sheet

    CD~MSERIES_DIM4_09 (English)

    MZ, AM, MO, AMA, MA, AMZ, AMO, M - Product Dimensions

    English Data Sheet
    VIEW

    Engineering Guide

    CD~MSERIES_ENG4_09 (English)

    MZ, AM, MO, AMA, MA, AMZ, AMO, M - Engineering Data

    English Engineering Guide
    VIEW

    Specification Guide

    CD~MSERIES_SPC4_09 (English)

    M-Series Louvered Face-Square Neck - M, MA, AM, AMA - Specifications

    English Specification Guide
    VIEW

    Engineering Guide

    CD~MSERIES_PAT4_09 (English)

    M, MA, AM, AMA, MZ, MO, AMZ, AMO - Deflection Patterns

    English Engineering Guide
    VIEW

    Submittal

    SD-1789 (English)

    Square/Round Diffusers - M-Series Adjustable Pattern Square/Rectangular Neck Steel and Aluminum - Submittal

    English Submittal
    VIEW

    Specification Guide

    Mseries (English)

    MZ, AM, MO, AMA, MA, AMZ, AMO, M - Specifications Text File

    English Specification Guide
    VIEW

    Revit File

    MA_AMA (English)

    MA, AMA - Revit File

    English Revit File
    VIEW
    No resource found for selected filter

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