--- product_id: 106023971 title: "48\" Linear Slot Diffuser - (2 Slot) Double Slot - White Decorative Air Vent - Modern AC Vent Cover for Ceiling, Walls & Floors - Texas Buildmart" brand: "buildmart" price: "£193.10" currency: GBP in_stock: true category: "Buildmart" url: https://www.desertcart.co.uk/products/106023971-48-linear-slot-diffuser-2-slot-double-slot-white-decorative store_origin: GB region: United Kingdom --- # 100% corrosion-resistant aluminum 48" face length, fits standard ducts 401 CFM airflow capacity 48" Linear Slot Diffuser - (2 Slot) Double Slot - White Decorative Air Vent - Modern AC Vent Cover for Ceiling, Walls & Floors - Texas Buildmart **Brand:** buildmart **Price:** £193.10 **Availability:** ✅ In Stock ## Summary > 🏢 Elevate your air game with sleek, silent style! ## Quick Answers - **What is this?** 48" Linear Slot Diffuser - (2 Slot) Double Slot - White Decorative Air Vent - Modern AC Vent Cover for Ceiling, Walls & Floors - Texas Buildmart by buildmart - **How much does it cost?** £193.10 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.co.uk](https://www.desertcart.co.uk/products/106023971-48-linear-slot-diffuser-2-slot-double-slot-white-decorative) ## Best For - buildmart enthusiasts ## Why This Product - Trusted buildmart brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Durable & Low Maintenance:** Crafted from commercial-grade aluminum with an electrostatic powder coat finish for corrosion resistance and easy cleaning. - • **Custom Fit for Every Space:** Choose from 70+ sizes (12" to 72") to perfectly match your duct openings—no guesswork, just seamless style. - • **Sleek Architectural Upgrade:** Transform any ceiling, wall, or floor with a modern linear slot diffuser that screams sophistication. - • **Versatile Airflow Performance:** Supports 401 CFM at 9.8 ft/s velocity, perfect for both supply and return air applications in residential or commercial spaces. - • **Effortless Retrofit & Installation:** Pre-drilled hidden screw holes and included hardware make upgrading your vents a breeze—no visible screws, no hassle. ## Overview The BUILDMART 48" Linear Slot Diffuser is a premium, non-structural air vent cover made from 100% aluminum with a smooth white electrostatic finish. Designed for ceilings, walls, and floors, it delivers 401 CFM airflow at 9.8 ft/s, fitting standard duct openings with a 47 1/4" x 3 1/8" neck and a 48 3/4" x 4 1/2" face. Easy to install with hidden screws, this modern diffuser replaces traditional grills, offering a sleek, durable, and low-maintenance upgrade for both residential and commercial HVAC systems. ## Description BUILDMART - 48" Linear Slot Diffuser - (2 Slot) Double Slot - White Decorative Air Vent - Modern AC Vent Cover for Ceiling, Walls & Floors - Texas Buildmart - desertcart.com ## Features - Commercial grade solid aluminum with modern architectural design for ceilings, walls, and floors. This vent cover was designed to be decorative and not structural. You can use this as a floor vent cover, but it is not designed to support weight, adding any type of weight is not recommended. This model can be used as a supply vent cover and return vent cover - This is a non-filter model - Cfm: 401 ft3/min - effective velocity: 9.8 ft/s; neck: 47 1/4" x 3 1/8" - face: 48 3/4" x 4 1/2" (The neck is the section that goes into the vent hole while the face is what will actually cover) - Designed to elevate any space, our modern AC vent covers are perfect for bathrooms, kitchens, living rooms, offices, and commercial settings. Whether you're remodeling or upgrading, they add sleek, architectural value to walls, ceilings, and floors. - *This is a design and utility patent pending product* We make sizes from 12" to 72" linear slot diffuser ac vent covers for the modern day home - We have over 70 standard vent cover sizes to replace your traditional looking grills. We also have over 40 linear slot diffuser sizes with their matching plenum box. All models are in stock ready to ship in both white and black colors – Our models are also paintable. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B07NF8LBBM | | Air Flow Capacity | 401 cfm | | Best Sellers Rank | #222,451 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #1,246 in Registers, Grilles & Vents | | Color | White | | Customer Reviews | 4.4 4.4 out of 5 stars (97) | | Date First Available | February 5, 2019 | | Finish | Finished | | Head Style | Philips | | Included Components | Screws | | Installation Method | Screw-In | | Item Package Quantity | 1 | | Item Weight | 4.49 pounds | | Item model number | 48x2S | | Manufacturer | Texas Buildmart | | Material | Aluminum | | Measurement System | English/Standard | | Mounting Type | Screw-In | | Number Of Pieces | 1 | | Part Number | 48x2S | | Performance Description | 401 CFM @ 9.8 FPS | | Product Dimensions | 49 x 5 x 2 inches | | Shape | Rectangle | | Size | Neck: 47 1/4" x 3 1/8" - Face: 48 3/4" x 4 1/2" | | Special Features | Easy to Install | ## Images ![48" Linear Slot Diffuser - (2 Slot) Double Slot - White Decorative Air Vent - Modern AC Vent Cover for Ceiling, Walls & Floors - Texas Buildmart - Image 1](https://m.media-amazon.com/images/I/51-wDggImsL.jpg) ## Questions & Answers **Q: What does a Linear Slot Diffuser do? What are Linear Slot Diffusers used for? What is a Slot Diffuser?** A: Linear Slot Diffusers are Vent Covers that are Linear and the “face” of a vent. The Air Conditioning unit distributes air throughout the home/building via the air duct tubing and delivers hot/cold air to each room that the vent is in. **Q: Are Linear Slot Diffusers good?** A: Linear Slot Diffusers are the “face” of the vent, often referred to as a Vent Cover. Linear Slot Diffusers are good in the sense that they are aesthetically pleasing to look at and give a modern feel to any room they are in. **Q: How do I choose a Linear Slot Diffuser?** A: For New Builds, we always recommend checking with your HVAC Contractor to confirm the CFM’s each room will need and then selecting your Linear Slot Diffusers based on the CFM’s **Q: What sizes do vent covers come in? What is the standard vent cover size?** A: Vent Covers, Grilles, Registers, Diffusers come in different sizes. The most Standard Sizes being 10” x 6” and 12” x 6” and 8” x 4” - You will find at least one of these in most homes. ## Frequently Bought Together - BUILDMART - 48" Linear Slot Diffuser - (2 Slot) Double Slot - White Decorative Air Vent - Modern AC Vent Cover for Ceiling, Walls & Floors - Texas Buildmart - BUILDMART - 36" Linear Slot Diffuser - (2 Slot) Double Slot - White Decorative Aluminum Air Vent - Heating and Cooling Modern AC Vent Cover for Ceiling, Walls & Floors - Texas Buildmart - BUILDMART - 24" Linear Slot Diffuser - (2 Slot) Double Slot - White Decorative Air Vent - Modern AC Vent Cover for Ceiling, Walls & Floors - Texas Buildmart --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.co.uk/products/106023971-48-linear-slot-diffuser-2-slot-double-slot-white-decorative](https://www.desertcart.co.uk/products/106023971-48-linear-slot-diffuser-2-slot-double-slot-white-decorative) --- *Product available on Desertcart United Kingdom* *Store origin: GB* *Last updated: 2026-11-04*