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-Donco
Raymon-Donco 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.


Ron Blank & Associates: Free online courses and webinars. Learn about construction products before you specify them, and receive credits towards licensing and certifications.

ZeroDocs: We make it fast and easy for design professionals to source construction specification tools. Use the SimpleSpecs™ Master Specification System and online collaboration tools to produce project specifications


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-Donco
Raymon-Donco 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.