Short manufacturing lead times
Short manufacturing lead times
Preparing detailed drawings of diffusers and plenum boxes ensures technically accurate manufacturing and allows us to meet the shortest lead times.
Slot diffusers for concealed installation
FLOW is a manufacturer of premium concealed-mount slot diffusers and plenum boxes for supply and exhaust ventilation and air-conditioning systems.
Our products combine high engineering precision with an aesthetic that reflects the most current trends in architecture and interior design.
We don’t just create ventilation components — we create solutions that operate accurately, quietly, and beautifully.
FLOW next-generation linear slot diffusers ensure a comfortable indoor microclimate in spaces of any type, thanks to even airflow distribution.
Our products support any design concept — they integrate seamlessly into the space, preserving harmony and visual continuity.
Our product range (10)
FLOW linear slot diffusers for concealed installation
FLOW plenum boxes
Why choose FLOW?
Individual approach
Individual approach
Our leading specialists will review your project and propose the most suitable technical solution for your requirements — one that simplifies installation, resolves on-site challenges, and ensures an ideal indoor microclimate throughout all spaces.
Unique models
Unique models
• Model T featuring a floating-ceiling effect with the option to integrate an LED strip.
• Model X equipped with a perforated hexagonal mesh.
• Model AF with a rigid reflector that can be finished in veneer or metal, or customized with prints and engraving.
• We are also preparing to launch new diffuser models that will redefine quality and aesthetics in air-supply systems.
Different lighting integration options
Different lighting integration options
We support the trend toward minimalist interiors and offer several solutions for combining ventilation/air-conditioning and lighting into a single linear system. Everything to help you bring your design vision to life with maximum precision.
Technical parameters verified by the Bauman Moscow State Technical University
Technical parameters verified by the Bauman Moscow State Technical University
Airflow velocity at any distance from the diffuser slot, pressure losses, and acoustic characteristics have been tested and confirmed in the laboratories of one of Russia’s leading technical universities.
Silent operation of equipment
Silent operation of equipment
FLOW diffusers reduce the noise levels of the system, which has been confirmed through acoustic testing in certified laboratories.
Variety of finish options
Variety of finish options
FLOW diffusers allow air-supply systems to integrate seamlessly with any type of ceiling or wall finish: drywall, stretch ceilings, veneered and MDF panels, tiles, porcelain stoneware, multi-colored wallpaper, etc.
Ease of installation — diffusers are supplied pre-assembled with a plenum box
Ease of installation — diffusers are supplied pre-assembled with a plenum box
You save time and effort during installation by receiving a ready-to-use solution with guaranteed quality — no assembly required, simply mount it to the ceiling.
Welded plenum boxes of any shape
Welded plenum boxes of any shape
Our plenum boxes are made of carbon steel and coated with a powder-polymer finish. Their airtight welded construction reduces system noise, minimizes pressure losses, and allows FLOW diffusers to be used in high-humidity environments. Adding antistatic or antibacterial components to the coating makes the equipment suitable for use in children’s facilities and medical institutions.
Non-standard angles
Non-standard angles
FLOW diffusers and plenum boxes can be seamlessly integrated into spaces of any geometric form, highlighting the uniqueness of the interior. The linear and angular elements of the diffusers are not limited in length.
Individual partnership terms for dealers
Individual partnership terms for dealers
We are committed to long-term collaboration with professional installation and design firms, construction and architectural companies, and interior design studios. We make sure that working with us is both convenient and beneficial for you.
CFD modeling upon request
CFD modeling upon request
It allows you to evaluate the efficiency of airflow distribution in any type of space to achieve maximum comfort.
Perfect geometry
Perfect geometry
The multi-chamber profile ensures structural rigidity and flawlessly straight lines of any length and shape.
Аntibacterial coating
Аntibacterial coating
It blocks the growth of microbes, bacteria, mold, and other health-hazardous microorganisms.
It is suitable for children’s facilities and medical institutions.
It retains its properties for up to 20 years.
Antistatic coating
Antistatic coating
It prevents the accumulation of dust and dirt.
It eliminates static charges from surfaces.
It is especially convenient for equipment installed in hard-to-reach areas where regular dust removal is difficult.
Our offer
Custom design for any interior
- 7 types of metallic finishes.
- 150+ options of natural veneer.
- Signature prints on the reflector.
- Powder coating according to the RAL palette.
Versatility for different types of spaces
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Integration of a track lighting system into the reflector of Model AF.
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Any angles (not only 90°).
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A variety of plenum box configurations allows adaptation to the specific design features of the project while preserving the height of the ceiling void.
Versatile installation for different surface types
Easy installation into all types of finishes:
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Drywall (9.5 and 12.5 mm), MDF panels
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Ceramic tile, porcelain stoneware
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Stretch ceilings
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Custom diffuser “noses” available upon request to match the required thickness of adjacent materials
Fast production and reliability
- Short production times
- Reliable packaging with protection against damage.
- Quality control check before each shipment.
Our mission
To create technologically advanced products and efficient solutions for ventilation and air conditioning that provide fresh air and indoor comfort.
Implementation examples
reviews
Leonid Rabizo
Founder of OVK.Life
Thank you. We spent a long time searching for a reliable and competent partner for diffusers, and in your company we truly found what we were looking for. For us, a high technical level of the managers, assistance with calculations and selection, as well as fair pricing are essential. You excel in all these areas. Thank you. Leonid Rostislavovich Rabizo L.R. Rabizo
Alexander Peregudov
Head of Provide Engineering
Our cooperation with Flow leaves only the most positive impressions. The team stands out for its attentive approach and rapid response to any requests. Flow diffusers offer impeccable quality and a modern design that integrates harmoniously into any architectural or interior concept. We are confident that Flow’s products rightfully hold a leading position in the market, and working with them is always carried out at the highest level.
Denis Rogozov
Head of “StavKondyor”
I would like to express my gratitude to FLOW for our long-term, productive cooperation and joint development. It is truly a pleasure to work with professionals of this level! I especially want to highlight the fast response to requests, the excellent material quality, and the expanded product line that covers even the most complex tasks and satisfies the most demanding clients. We have completed dozens of projects together, and every customer has been extremely satisfied with the results.
Igor Rakitin
SVS Climate, Marketing Director
Flow is a reliable partner in the production of slot ventilation diffusers. We appreciate that Flow prioritizes technological excellence and quality — it’s a premium solution for modern interior projects. We value our cooperation for its professionalism, personalized approach, and readiness to deliver non-standard solutions.
our partners
We are open to cooperation with architects, interior designers, design studios, construction and installation companies, as well as property owners, developers, HVAC equipment dealers and industry experts.
