--- product_id: 436240173 title: "48\" Single Slot - Linear Slot Diffuser - AC Vent Cover - HVAC Register" brand: "buildmart" price: "R4936" currency: ZAR in_stock: true reviews_count: 2 category: "Buildmart" url: https://www.desertcart.co.za/products/436240173-48-single-slot-linear-slot-diffuser-ac-vent-cover-hvac store_origin: ZA region: South Africa --- # Durable electrostatic paint finish 180° adjustable airflow control Solid extruded aluminum profile 48" Single Slot - Linear Slot Diffuser - AC Vent Cover - HVAC Register **Brand:** buildmart **Price:** R4936 **Availability:** ✅ In Stock ## Summary > 🌬️ Upgrade your airflow, upgrade your space. ## Quick Answers - **What is this?** 48" Single Slot - Linear Slot Diffuser - AC Vent Cover - HVAC Register by buildmart - **How much does it cost?** R4936 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.co.za](https://www.desertcart.co.za/products/436240173-48-single-slot-linear-slot-diffuser-ac-vent-cover-hvac) ## 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 - • **Built to Last:** Robust extruded aluminum with professional welding ensures durability. - • **Architectural Elegance:** Modern linear design that elevates any space with clean, crisp lines. - • **Effortless Integration:** Slim 48" faceplate fits seamlessly into contemporary HVAC systems. - • **Low-Maintenance Finish:** Electrostatic paint resists wear and keeps your vent looking pristine. - • **Precision Airflow Control:** 180-degree directional dampers for tailored ventilation comfort. ## Overview The BUILDMART 48" Single Slot Linear Slot Diffuser combines high-performance 180° adjustable airflow with a sleek, modern aluminum design finished in durable electrostatic paint. Engineered for both air exit and return applications, this vent cover offers architectural appeal and lasting durability, making it the perfect HVAC upgrade for stylish, efficient spaces. ## Description Texas Buildmart offers High Quality Linear slot diffusers with high performance 180° air control with the directional dampers. Modern, crisp, clean lines and architecturally appealing. Solid extruded aluminum profile with welding - Electrostatic Paint. The product is an Air exit that also can be used as a return grill but that they look like a Modern Fixture. Review: Se ve moderno - Siempre quise ponerlo en mi casa y la verdad que me gustan como se ve encantada Review: Buena compra - Excelente ## Features - Solid extruded aluminum profile with welding - Electrostatic Paint - Modern architectural design - 180-degree air flow control with adjustable directional dampers - Face: 47 3/4" x 3 1/16" ----- Neck: 35 1/2" x 1 5/8" ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B091S1J3JF | | ASIN | B091S1J3JF | | Batteries Included? | No | | Batteries Required? | No | | Color | White | | Customer Reviews | 4.6 4.6 out of 5 stars (20) | | Customer reviews | 4.6 4.6 out of 5 stars (20) | | Date First Available | 16 April 2021 | | Date First Available | 16 April 2021 | | Is Discontinued By Manufacturer | No | | Item Package Quantity | 1 | | Item Weight | 1.2 Kilograms | | Item model number | 48x1S | | Item model number | 48x1S | | Manufacturer | Texas Buildmart | | Manufacturer | Texas Buildmart | | Number Of Pieces | 1 | | Part number | 48x1S | | Product Dimensions | 124.46 x 10.16 x 5.08 cm; 1.2 kg | | Product Dimensions | 124.46 x 10.16 x 5.08 cm; 1.2 kg | | Size | Face: 47" 3/4 x 3 1/16 | ## Images ![48" Single Slot - Linear Slot Diffuser - AC Vent Cover - HVAC Register - Image 1](https://m.media-amazon.com/images/I/51vlA68j7XL.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. ## Customer Reviews ### ⭐⭐⭐⭐⭐ Se ve moderno *by S***Y on 15 October 2025* Siempre quise ponerlo en mi casa y la verdad que me gustan como se ve encantada ### ⭐⭐⭐⭐⭐ Buena compra *by J***Z on 18 September 2024* Excelente ## Frequently Bought Together - BUILDMART - 48" Linear Slot Diffuser - (1 Slot) Single Slot - White Decorative Aluminum Air Vent - Heating and Cooling Modern AC Vent Cover for Ceiling, Walls & Floors - Texas Buildmart - BUILDMART - 36" Linear Slot Diffuser - (1 Slot) Single Slot - White Decorative Air Vent - Modern AC Vent Cover for Ceiling, Walls & Floors - Texas Buildmart - BUILDMART - 24" Linear Slot Diffuser - (1 Slot) Single Slot - White Decorative Air Vent - Modern AC Vent Cover for Ceiling, Walls & Floors - Texas --- ## 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.za/products/436240173-48-single-slot-linear-slot-diffuser-ac-vent-cover-hvac](https://www.desertcart.co.za/products/436240173-48-single-slot-linear-slot-diffuser-ac-vent-cover-hvac) --- *Product available on Desertcart South Africa* *Store origin: ZA* *Last updated: 2026-07-14*