Stainless Steel Air Diffusers and Grilles

Air Foil Perforated Supply Diffuser -- SSPLT-AF
from A-J Manufacturing Co., Inc.

The lay-in 51% Perforated Supply Diffuser manufactured in type 304 Stainless Steel is designed with surface mount frame for installation.. Adjustable air foil blades with 1, 2, 3, or 4 way discharge pattern for both heating and cooling applications. Stainless Steel transitions are available in... [See More]

  • Material: Stainless Steel
  • Grille Diameter / Width: 12 to 48
  • Throw Pattern: One Way (optional feature); Two Way (optional feature); Three Way (optional feature); Four Way (optional feature)
  • Grille Height: 12 to 24
Chamber Laminar Flow Diffuser -- SSLF 2
from A-J Manufacturing Co., Inc.

The SSLF 2C is a 'Critical Environment" laminar flow diffuser. A-J Manufacturing Company, Inc. was founded in the mid 1920 ’s and has always manufactured sheet metal products. The letters A and J represent the last names of two of the founding fathers of the company.A-J flourished during and... [See More]

  • Material: Stainless Steel
  • Throw Pattern: One Way
Concentric Louvered Ceiling Diffuser -- SSCLCD
from A-J Manufacturing Co., Inc.

The SSCLCD Series Concentric Louvered Ceiling Diffuser is available in multiple throw patterns and can be built to any opening size for surface or lay-in mounting. [See More]

  • Material: Stainless Steel
  • Grille Diameter / Width: 6 to 36
  • Throw Pattern: Two Way (optional feature); Three Way (optional feature); Four Way (optional feature)
  • Grille Height: 6 to 36
Deep Louvered Return Grille -- SSDL Series
from A-J Manufacturing Co., Inc.

The Series SSDL Deep Louvered Return Grille is a non-adjustable 1/2" deep return grille made with louvered blades for limited vision on exterior applications. The blades are reinforced from the rear on approximate 12" centers. [See More]

  • Material: Stainless Steel
Double Deflection Supply Grille -- 250 Series
from A-J Manufacturing Co., Inc.

The 250 Series Double Deflection Supply Grille provides effective directional control of the air stream in one, two, three or four directions. Each bank of bars is pivoted at the front which gives a uniform appearance regardless of blade angle setting. The hollow air-foil grille bars are spaced on... [See More]

  • Material: Stainless Steel
  • Grille Diameter / Width: 24 to 60
  • Throw Pattern: Two Way
  • Grille Height: 24 to 72
Double Deflection Supply Grille with Airfoil Blades -- 250 LTA
from A-J Manufacturing Co., Inc.

The 250LT Series Long Throw Double Deflection Supply Grille provides effective directional control of large volumes of air flow. Available with horizontal face bars or vertical face bars. Custom sizing available. Ideal for factories or plants where large volumes of air must be controlled. [See More]

  • Material: Stainless Steel
  • Throw Pattern: Two Way
Egg Crate Grille -- SSEC Series
from A-J Manufacturing Co., Inc.

The Egg Crate Series provides 90% Free Area. Bars are 24-gauge Type 304 stainless steel in a ½" x ½" x ½" grid core. Type 316 stainless steel is available at additional cost. The egg crate core offers a large opening area for return air flow. Other blade size and spacings are available; consult with... [See More]

  • Material: Stainless Steel
Egg Crate Hinged Filter Grille -- SSHFG-EC
from A-J Manufacturing Co., Inc.

The SSHFG-EC Series ½" x ½" x 12" Egg Crate Hinged Filter Grille is hinged in our 1000 Plaster Frame and secured with low profile ¼-turn fasteners. The hinged filter grille allows easy access to filters or mechanical equipment. Specify with filter clips for filter applications; 1" filter depth is... [See More]

  • Material: Stainless Steel
  • Grille Diameter / Width: 6 to 60
  • Throw Pattern: One Way
  • Grille Height: 6 to 72
Egg Crate Removable Filter Grille -- SSFG-EC
from A-J Manufacturing Co., Inc.

The SSFG-EC Series ½" x ½" x 12? Egg Crate Filter Grille is hinged in our 1000 Plaster Frame and secured with low profile ¼-turn fasteners. The removable filter grille allows easy access to filters or mechanical equipment. Specify with filter clips for filter applications; 1? filter depth is... [See More]

  • Material: Stainless Steel
  • Grille Diameter / Width: 6 to 60
  • Throw Pattern: One Way
  • Grille Height: 6 to 72
Fan Powered Laminar Flow HEPA Filter Diffuser – Reverse Flow -- SSLFHFD FFU RF
from A-J Manufacturing Co., Inc.

Reverse flow fan powered filter for filtration of exhaust. Common applications are workspaces involved with hazardous materials where exhausted air may cause a health or environmental threat. Common in medical facilities with potential airborne pathogens and used in facilities testing, packaging,... [See More]

  • Material: Stainless Steel
  • Grille Diameter / Width: 24
  • Throw Pattern: One Way
  • Grille Height: 48
Flat Radial Pattern Diffuser with HEPA Filter -- FRD HEPA
from A-J Manufacturing Co., Inc.

The FRD Model Flat Face Radial Pattern Diffuser with HEPA Filter has been designed to provide low aspiration at high ventilation rates, especially for clean room applications such as research laboratories, animal labs, food processing, hospital rooms and computer rooms. Specially designed internal... [See More]

  • Material: Aluminum (optional feature); Stainless Steel
  • Grille Diameter / Width: 24 to 48
  • Throw Pattern: One Way (optional feature); Two Way (optional feature)
  • Grille Height: 24
Heavy Duty Double Deflection Supply Grille -- 250 HD Series
from A-J Manufacturing Co., Inc.

The 250 HD Series Heavy Duty Double Deflection Supply Grille provides effective directional control of the air stream. The hollow, air-foil grille front bars are set at a fixed at 0 ° or 45 ° on .500 ″ centers. Back bars are spaced on .750 ″ centers and each bar is individually... [See More]

  • Material: Stainless Steel
  • Grille Diameter / Width: 24 to 60
  • Throw Pattern: Two Way
  • Grille Height: 24 to 72
Heavy Duty Removeable Filter Grille -- SSFG 550 HD
from A-J Manufacturing Co., Inc.

The SSFG 550 HD Model Removeable Filter Return Grilles and Registers have fixed horizontal blades (parallel to width/first specified dimension) spaced on ¾" (19) centers with 45° straight face deflection. The grille core is secured to the face of the outer frame with stainless steel ¼-turn... [See More]

  • Material: Stainless Steel
  • Grille Diameter / Width: 24 to 60
  • Throw Pattern: One Way
  • Grille Height: 24 to 72
Heavy Duty Return Air Grille -- 550 Series
from A-J Manufacturing Co., Inc.

The 550 Series Heavy Duty Return Air Grille is styled to match the 150 and 250 Series Supply Grilles. The face bars are non-adjustable and available in either a horizontal (550HD-H) or vertical (550HD-V), factory set at either 0º or 45º, spaced on .750" centers (with optional .500" centers at an... [See More]

  • Material: Stainless Steel
Hinged Filter Grille -- SSHFG 150
from A-J Manufacturing Co., Inc.

SSFG 150 - Hinged Filter Grille. A-J Manufacturing Company, Inc. was founded in the mid 1920 ’s and has always manufactured sheet metal products. The letters A and J represent the last names of two of the founding fathers of the company.A-J flourished during and immediately after World War II,... [See More]

  • Material: Stainless Steel
  • Grille Diameter / Width: 6 to 60
  • Throw Pattern: One Way
  • Grille Height: 6 to 72
Hinged Filter Grille -- SSHFG 550
from A-J Manufacturing Co., Inc.

550 Hinged Filter Grille. A-J Manufacturing Company, Inc. was founded in the mid 1920 ’s and has always manufactured sheet metal products. The letters A and J represent the last names of two of the founding fathers of the company.A-J flourished during and immediately after World War II, and at... [See More]

  • Material: Stainless Steel
  • Grille Diameter / Width: 6 to 60
  • Throw Pattern: One Way
  • Grille Height: 6 to 72
Hinged Filter Grille -- SSHFG-SSG
from A-J Manufacturing Co., Inc.

The SSHFG-SSG Hinged Filter Louvered Return Grille is a non-adjustable return grille made with louvered blades for limited vision or exterior applications - and set within our set within our Hinged Filter Grille. The blades are reinforced from the rear on approximate 12" centers. [See More]

  • Material: Stainless Steel
  • Grille Diameter / Width: 6 to 60
  • Throw Pattern: One Way
  • Grille Height: 6 to 72
Hinged Perforated Filter Grille -- SSHFG PERF
from A-J Manufacturing Co., Inc.

The SSHFG PERF Hinged Perforated Filter Grille Series. [See More]

  • Material: Stainless Steel
  • Grille Diameter / Width: 6 to 60
  • Throw Pattern: One Way
  • Grille Height: 6 to 72
inear Light Duty Bar Grille -- SSLBG Series
from A-J Manufacturing Co., Inc.

The SSLBG Series Linear Light Duty Bar Grille is designed for supply or return air in sidewall or sill installations. Designed with fixed 0° air foil blades parallel to the grille's long dimension, blades are reinforced on approximate 8" centers. [See More]

  • Material: Stainless Steel
Non-Hinged Filter Grille -- SSFG Lattice
from A-J Manufacturing Co., Inc.

STANDARDS. 304 Stainless Steel. #4 Satin Finish. 1/4 Turn Fasteners. Countersunk Screw holes with Stainless Steel #6 x 1.5" Screws. OPTIONS. 316 Stainless Steel. Filter Frame. Anti-Microbial White Powder Coat Finish. Custom Colors. S-44 Opposed Blade Damper. Square To Round/Square/Oval Transition [See More]

  • Material: Stainless Steel
  • Grille Height: 24 to 48
  • Grille Diameter / Width: 24 to 48
Perimeter Slot Diffuser -- SSEPD
from A-J Manufacturing Co., Inc.

The SSEPD Series Perimeter Slot Diffusers are specially designed to provide an air curtain for operating rooms. The SSEPD Series unique slot design creates a continuous curtain of air, angled outwards 5º - 15º, that encloses the operating area and minimizes the possibility of contaminated air... [See More]

  • Material: Stainless Steel
  • Throw Pattern: One Way
Removeable Filter Grille -- SSFG 550
from A-J Manufacturing Co., Inc.

The SSFG 550 Model Removeable Filter Return Grilles and Registers have fixed horizontal blades (parallel to width/first specified dimension) spaced on ¾? (19) centers with 45° straight face deflection. The grille core is secured to the face of the outer frame with stainless steel ¼-turn fasteners,... [See More]

  • Material: Stainless Steel
  • Grille Diameter / Width: 24 to 60
  • Throw Pattern: One Way
  • Grille Height: 24 to 72
Return Air Grille -- 550 Series
from A-J Manufacturing Co., Inc.

The Series 550 Return Air Grille is styled to match the 150 and 250 Supply Grilles. The face bars are non-adjustable and available in either a horizontal position (H) or vertical position (V), factory set at either 0° or 45° degrees, spaced on .750" centers. [See More]

  • Material: Stainless Steel
  • Grille Height: 6 to 48
  • Grille Diameter / Width: 6 to 48
Stainless Steel Bar Grille -- SSBG Series
from A-J Manufacturing Co., Inc.

The SSBG Series Stainless Steel Bar Grille uses 1/8? or 1/4? bars with supports 6?-12? on center. Typical bar spacing 1/2? or 1/4? and custom spacing available. The SSBG can have a flange frame, straight frame, or no frame at all. SSBG are used in atriums, pools, heavy-duty and decorative... [See More]

  • Material: Stainless Steel
Stainless Steel Perforated Supply Grille -- SSPERF-S
from A-J Manufacturing Co., Inc.

The SSPERF-S Stainless Steel Perforated Face Ceiling Diffuser with louvered deflectors is an economical solution of providing positive air flow without limiting volume. The 3/16 ″ round perforations on 1/4 ″ staggered centers allow for 51% free area. Specify: Series S-44 Opposed Blade... [See More]

  • Material: Stainless Steel
  • Grille Diameter / Width: 24
  • Throw Pattern: Four Way
  • Grille Height: 48