--- product_id: 4160081 title: "M 50-Watt Submersible Aquarium Heater for Fresh & Saltwater Tanks | Compact, Reliable Heating with Mirror Technology" brand: "fluval" price: "$75.13" currency: USD in_stock: true category: "Fluval" url: https://www.desertcart.us/products/4160081-m-50-watt-submersible-aquarium-heater-for-fresh-and-saltwater store_origin: US region: United States of America --- # Borosilicate glass durability Mirror tech for invisibility 50W precise heating M 50-Watt Submersible Aquarium Heater for Fresh & Saltwater Tanks | Compact, Reliable Heating with Mirror Technology **Brand:** fluval **Price:** $75.13 **Availability:** ✅ In Stock ## Summary > 🌊 Heat your tank, not your style—blend in with brilliance! ## Quick Answers - **What is this?** M 50-Watt Submersible Aquarium Heater for Fresh & Saltwater Tanks | Compact, Reliable Heating with Mirror Technology by fluval - **How much does it cost?** $75.13 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/products/4160081-m-50-watt-submersible-aquarium-heater-for-fresh-and-saltwater) ## 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 - • **Slim & Compact Design:** Discreet installation with minimal space usage keeps your tank view unobstructed and stylish. - • **Perfect for Small Tanks:** Optimized 50-watt power for freshwater and saltwater aquariums up to 15 gallons—ideal for modern home or office setups. - • **Durable & Safe Materials:** Shock-resistant borosilicate glass and ceramic heat sink deliver long-lasting, even heat distribution. - • **Reflective Mirror Technology:** Seamlessly blends with your tank’s colors—heater stays virtually invisible, preserving your aquarium’s natural beauty. - • **Precision Temperature Control:** Computer-calibrated thermostat ensures stable, accurate warmth for thriving aquatic life. ## Overview The Fluval M 50-Watt Submersible Aquarium Heater offers precise, reliable heating with a sleek, mirror-reflective design that virtually disappears into your aquarium. Built from durable borosilicate glass and ceramic, it ensures safe, even warmth for freshwater and saltwater tanks up to 15 gallons. Compact and easy to install, it’s the perfect choice for maintaining a healthy aquatic environment while keeping your tank looking effortlessly elegant. ## Description The Fluval "M" 50 watt submersible heater is quality manufactured in Europe using superior components and construction. This sleek, compact Fluval heater can be trusted for exceptional performance and unsurpassed reliability. Unique only to the Fluval "M" series the reflective technology helps maintain the aquariums' natural look as the heater reflects the colors of the surroundings. The heater is ideal for 15 US gal (50L). aquariums and can be used in fresh and saltwater tanks. ## Features - Precision Temperature Control: The Fluval M 50-Watt Submersible Heater features a computer-calibrated thermostat for consistent, accurate heating. The easy-to-adjust temperature control dial ensures a stable aquatic environment for your fish and plants - Reflective Mirror Technology: Designed to seamlessly blend into your aquarium, this heater uses built-in reflective technology that mirrors surrounding colors, making it virtually invisible while maintaining tank aesthetics - Durable & Safe Materials: Constructed with shock-resistant Borosilicate glass and a high-density ceramic heat sink, this heater is built to withstand aquatic conditions while ensuring even heat distribution for a safe and efficient heating solution - Slim & Easy to Install: The Fluval M Series heater features a slim profile tube, making it simple to install and position discreetly in your aquarium. Its compact design ensures minimal space usage, allowing for an unobstructed tank view - Ideal for Small Aquariums: With a 50-watt power rating, this submersible heater is perfect for freshwater and saltwater aquariums up to 15 gallons. Keep your aquatic environment warm and stable for healthy, thriving fish and plants ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0027VMPXA | | ASIN | B0027VMPXA | | Best Sellers Rank | #8,986 in Pet Supplies ( See Top 100 in Pet Supplies ) #13 in Aquarium Heaters | | Brand Name | Fluval | | Color | Silver | | Customer Reviews | 4.4 4.4 out of 5 stars (5,592) | | Date First Available | August 19, 2004 | | Global Trade Identification Number | 00015561107815 | | Included Components | Fluval M50 Submersible Glass Aquarium Heater (50 watts) | | Is Discontinued By Manufacturer | No | | Item Type Name | Submersible Heater | | Item Weight | 0.62 Pounds | | Item model number | M50 | | Manufacturer | Rolf C. Hagen (USA) Corp. | | Manufacturer | Rolf C. Hagen (USA) Corp. | | Material Type | Ceramic, borosilicate glass | | Model Number | M50 | | Part Number | A781 | | Product Dimensions | 1.8 x 4.8 x 14.8 inches; 9.86 ounces | | UPC | 015561107815 | | Unit Count | 1 Count | | Warranty Description | 3 years; The Fluval M series Submersible Aquarium Heater is guaranteed for defective parts and workmanship for a period of 3 year. We reserve the right to repair or replace, at our option. This guarantee excludes damage, breakage of the glass tube or injuries resulting from negligence or other misuse. This warranty does not include responsibility for animate or inanimate matter contained in the aq… | | Wattage | 50 watts | ## Product Details - **Brand:** Fluval - **Color:** Silver - **Item Weight:** 0.62 Pounds - **Material:** Ceramic, borosilicate glass - **Wattage:** 50 watts ## Images ![M 50-Watt Submersible Aquarium Heater for Fresh & Saltwater Tanks | Compact, Reliable Heating with Mirror Technology - Image 1](https://m.media-amazon.com/images/I/71JRKsqOfHL.jpg) ## Available Options This product comes in different **Size** options. ## 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.us/products/4160081-m-50-watt-submersible-aquarium-heater-for-fresh-and-saltwater](https://www.desertcart.us/products/4160081-m-50-watt-submersible-aquarium-heater-for-fresh-and-saltwater) --- *Product available on Desertcart United States of America* *Store origin: US* *Last updated: 2026-07-30*