Custom Linear Slot Diffusers – Ceiling or Wall Mount – Any Length & Color – 1–3 Slot Options – RAL Finish Available

$69.00

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πŸ”₯ Premium Linear Slot Diffuser – Custom Size & Finish | Modern HVAC Vent Grille

Upgrade your space with our architectural linear air diffuser, built for seamless ceiling or wall installation.

βœ… 3 airflow slot sizes – 22mm / 33mm / 44mm, each with a directional flow adjuster
βœ… Custom lengths from 10” to 236” (250–6000 mm), precision-made to the millimeter
βœ… Modular design – create an infinite line or wrap the room perimeter
βœ… 1–4 slot configurations for your airflow needs
βœ… End caps & corner elements for a clean, professional finish
βœ… Standard finishes in matte black or white – or choose any RAL color
βœ… Made-to-order to match your HVAC specs and interior design

πŸ”§ Installation Instructions – Custom Linear Slot Air Diffuser with Hidden Mount

This modern linear air diffuser is designed for seamless integration into drywall ceilings. It features a hidden perforation mounting system, making it perfect for clean, minimalist interiors.

πŸ›  Step-by-Step Installation:
1. Mark the ceiling layout according to the custom grille dimensions.
2. Assemble the ventilation adapter and temporarily fix it in place.
3. Secure the adapter using Knauf steel profiles for a rigid, long-lasting frame.
4. Install the drywall ceiling over the ventilation structure.
5. Attach the perforated grille directly to the drywall using metal screws every 10–15 cm around the perimeter.
6. Prime the surface and grille joints with a roller.
7. Apply the base coat of joint compound.
8. Reinforce all seams using Knauf tape for flawless finishing.
9. Apply the final skim coat of compound.
10. Sand and re-prime the surface to prepare for final painting or decorative coating.

βΈ»

βœ… Professional Recommendations for HVAC Efficiency:
β€’ The adapter must cover the entire length of the custom grille.
β€’ For balanced airflow, include at least one duct connection per 1000 mm (39”) of grille length.
β€’ Ensure a 1000 mm (39”) gap between supply and exhaust connections for optimal air circulation.
β€’ The installation height of the adapter should be at least 150 mm (6”) above the diffuser.


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Shipping from Ukraine

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1-10 business days

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Buyers are responsible for any customs and import taxes that may apply. I'm not responsible for delays due to customs.

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  • Accepts Etsy gift cards

Returns & Exchanges

I gladly accept returns, exchanges, and cancellations

Just contact me within: 3 days of delivery

Ship items back to me within: 30 days of delivery

  • Custom or personalized orders
  • Perishable products (like food or flowers)
  • Digital downloads
  • Intimate items (for health/hygiene reasons)
  • Conditions of return

    Buyers are responsible for return shipping costs. If the item is not returned in its original condition, the buyer is responsible for any loss in value.

    Questions about your order?

    Please contact me if you have any problems with your order.

    Frequently Asked Questions

    Can I choose any design or pattern for my order? πŸ€”πŸŽ¨

    Absolutely! You can choose any design or pattern you like from the internet (Pinterest, for example). There are no limits to your creativity! ✨

    We can even create a custom pattern based on a hand-drawn sketch. All we need from you is a screenshot or an image of the design you want, and we’ll take care of the rest! πŸ“·βœ…

    Can you make the item in any size? πŸ“πŸ”§

    Of course! We can craft your order in any size with an accuracy of up to 0.1mm. Precision is our priority! βœ…

    All we need from you are the exact measurements that matter for your project. From there, we take care of everything! ✨

    Before production begins, we always start by creating detailed drawings πŸ“, showing both the design and dimensions. This allows you to double-check everything and approve the final specs before we move forward with manufacturing. πŸš€

    What is the production time? β³βš™οΈ

    The production time depends on the type of product you order:

    βœ… Ventilation Grille – 5-8 business days from the moment the drawings are approved.
    πŸ“¬ Mailbox – 5-8 business days from the moment the drawings are approved.
    πŸ› οΈ Floor Hatch – 3 weeks from the moment the drawings are approved.

    We always start with creating detailed drawings for your approval to ensure accuracy before moving forward with production. πŸš€

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