23 3300 - Duct Specialties


AJ Manufacturing

AJ Manufacturing
Zero total CFM air leak at 10.0" wg. Custom sized access doors in 1", 1.7", 2" & 4" frame & panel thickness with galvanized, galvanealed, stainless steel, or aluminum door skins. Optional window, latch prep or thermal frame. Pressure relief doors and wall panels also available.


Raymon HVAC

Raymon Company
Raymon Company manufactures air distribution equipment for the heating, ventilating and air conditioning industry. We produce a custom line of air diffusers used primarily in commercial buildings. We supply high quality products, in a timely manner and backed up with outstanding customer service. Raymon continues to invent and reinvent the industry standards for quality, reliability, service and ingenuity.


4specs Discussion Forum - Great place to ask questions about specifications, products and technical data. Free - no registration required to read or post (subject to moderation).


See also:
08 3100 - Access Doors and Panels - for architectural access doors
23 3110 - Ducts
23 3124 - Fabric Ducts



AJ Manufacturing

AJ Manufacturing
Zero total CFM air leak at 10.0" wg. Custom sized access doors in 1", 1.7", 2" & 4" frame & panel thickness with galvanized, galvanealed, stainless steel, or aluminum door skins. Optional window, latch prep or thermal frame. Pressure relief doors and wall panels also available.



Raymon HVAC

Raymon Company
Raymon Company manufactures air distribution equipment for the heating, ventilating and air conditioning industry. We produce a custom line of air diffusers used primarily in commercial buildings. We supply high quality products, in a timely manner and backed up with outstanding customer service. Raymon continues to invent and reinvent the industry standards for quality, reliability, service and ingenuity.