--- product_id: 306601793 title: "M50 Ultra-Slim Submersible Aquarium Heater – 50W Underwater Heater for Aquariums up to 15 Gal." brand: "fluval" price: "2459178₫" currency: VND in_stock: true reviews_count: 5 category: "Fluval" url: https://www.desertcart.vn/products/306601793-m50-ultra-slim-submersible-aquarium-heater-50w-underwater-heater-aquariums store_origin: VN region: Vietnam --- # 50W power for precise heating Ultra-slim profile for sleek installation Reflective borosilicate glass for durability & camouflage M50 Ultra-Slim Submersible Aquarium Heater – 50W Underwater Heater for Aquariums up to 15 Gal. **Brand:** fluval **Price:** 2459178₫ **Availability:** ✅ In Stock ## Summary > 🔥 Keep your aquatic world perfectly balanced and stylishly heated! ## Quick Answers - **What is this?** M50 Ultra-Slim Submersible Aquarium Heater – 50W Underwater Heater for Aquariums up to 15 Gal. by fluval - **How much does it cost?** 2459178₫ with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.vn](https://www.desertcart.vn/products/306601793-m50-ultra-slim-submersible-aquarium-heater-50w-underwater-heater-aquariums) ## Best For - fluval enthusiasts ## Why This Product - Trusted fluval brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Trusted Durability:** Backed by a 3-year limited warranty and crafted with premium Italian engineering for lasting reliability. - • **Reflective Camouflage:** Heat- and shock-resistant borosilicate glass reflects tank colors, enhancing natural aesthetics. - • **User-Friendly Controls:** Easy-to-adjust thermostat dial with blue on/off indicator ensures effortless temperature management. - • **Precision Heating Power:** 50 watts calibrated to maintain perfect aquatic temperatures up to 15 gallons. - • **Sleek & Discreet Design:** Ultra-slim profile blends seamlessly into any aquarium setup without bulk or distraction. ## Overview The Fluval M50 Ultra-Slim Submersible Aquarium Heater delivers precise 50W heating for freshwater and saltwater tanks up to 15 gallons. Featuring a sleek, ultra-slim design encased in reflective, heat-resistant borosilicate glass, it blends effortlessly into your aquarium environment. With a computer-calibrated thermostat and easy temperature control dial, it ensures consistent, reliable warmth. Engineered in Italy and backed by a 3-year warranty, this heater combines cutting-edge technology with modern aesthetics to elevate your aquatic experience. ## Description The Fluval M Submersible Aquarium Heater’s quality European manufacturing utilizes superior components and construction. The Fluval M50 Submersible Heater is ideal for use in freshwater and marine aquariums up to 15 gallons and has a temperature range of 66-86 degrees Fahrenheit. This sleek, compact heater can be trusted for exceptional performance and unsurpassed reliability. Unique only to the Fluval "M" series the reflective technology equipped in the Fluval M Submersible Aquarium Heaters helps maintain the aquariums' natural look as the heater reflects the colors of the surroundings.Fluval first broke onto the aquatic scene in 1975 by introducing the world’s first 3-stage filter with synchronous motor technology – a landmark breakthrough that is still applied in the industry today. Since then, Fluval has built a legacy around this pioneering spirit, relentlessly adapting in a changing world to launch innovative aquarium products that remain at the forefront of technology, and which set the bar in quality, style and functionality. Above and beyond its manufacturing role, Fluval prides itself on its charitable and educational efforts that give back to the fishkeeping community, whether it means helping to fund the protection of wild coral reefs or jumping on a plane to document endangered fish species halfway around the world. Fluval’s mission is not just about building products that mimic the natural world, but inspiring aquarists of all skill levels to enjoy and respect the hobby for generations to come. Review: This is an amazing heater, I’ve gone through probably 5 different brands of other heaters that won’t keep a consistent temperature or won’t even work in general. Saw a recommendation for this brand/model and I love it! Super easy to use and to adjust temperature. Highly recommend Review: Très bon chauffage, aucun regret sur son efficacité ## Features - Modern Aesthetic: M-Series heaters combine modern aesthetics with reliable Italian construction. Employing an ultra-slim profile, these heaters are a welcome departure from traditional, bulkier designs. - Reflective Design: This heater is encompassed in a heat-and-shock resistant reflective Borosilicate glass tube, which allows it to reflect the surrounding aquarium colors, allowing it to blend in with the environment and enhance overall aesthetics. - Temperature Control: Computer-calibrated thermostat has an easy-to-adjust temperature control dial and an on/off blue indicator light to display when it’s in use. - Slim Profile: Ultra slim design allows for easy installation in your aquarium tank. - Recommended Size: M50 underwater heater is ideal for freshwater and saltwater aquariums up to 15 gallons. Each M-Series heater comes with a 3-year limited warranty. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0027VMPXA | | Best Sellers Rank | #34,128 in Pet Supplies ( See Top 100 in Pet Supplies ) #1,787 in Aquarium Accessories | | Brand Name | Fluval | | Color | Silver | | Customer Reviews | 4.4 4.4 out of 5 stars (2,333) | | Global Trade Identification Number | 00015561107815 | | Included Components | Fluval M50 Submersible Glass Aquarium Heater (50 watts) | | Item Type Name | Submersible Heater | | Item Weight | 0.62 Pounds | | Manufacturer | Rolf C. Hagen (USA) Corp. | | Material Type | Borosilicate Glass | | UPC | 015561107815 | | Unit Count | 1 Count | | Wattage | 50 watts | ## Product Details - **Brand:** Fluval - **Colour:** Silver - **Item weight:** 279 g - **Material:** Borosilicate Glass - **Wattage:** 50 watts ## Images ![M50 Ultra-Slim Submersible Aquarium Heater – 50W Underwater Heater for Aquariums up to 15 Gal. - Image 1](https://m.media-amazon.com/images/I/71JRKsqOfHL.jpg) ## Customer Reviews ### ⭐⭐⭐⭐⭐ Review *by A***N on 17 August 2025* This is an amazing heater, I’ve gone through probably 5 different brands of other heaters that won’t keep a consistent temperature or won’t even work in general. Saw a recommendation for this brand/model and I love it! Super easy to use and to adjust temperature. Highly recommend ### ⭐⭐⭐⭐⭐ Review *by Y***K on 13 October 2022* Très bon chauffage, aucun regret sur son efficacité ### ⭐⭐⭐⭐⭐ Review *by H***I on 18 September 2020* Toller Heizstab! Kann ganz unter Wasser gesteckt werden. Schaltet ab und an den Sensor ein, um die Temperatur zu überprüfen. Seit einem Monat im Gebrauch und die Temperatur bleibt konstant. Gut verarbeitet. ## Frequently Bought Together - Fluval M 50-Watt Submersible Heater - PAIZOO Fish Tank Digital Thermometer Accurate LED Display to ±0.9°F Tank Thermometer Aquarium Temperature Measurement Suitable for Fish, Axolotl, Turtle or Aquatic - Hagen Flex Freshwater Kit - Black - 15 gal --- ## 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.vn/products/306601793-m50-ultra-slim-submersible-aquarium-heater-50w-underwater-heater-aquariums](https://www.desertcart.vn/products/306601793-m50-ultra-slim-submersible-aquarium-heater-50w-underwater-heater-aquariums) --- *Product available on Desertcart Vietnam* *Store origin: VN* *Last updated: 2026-05-15*