--- product_id: 61709011 title: "LNSTUDIO Aquarium Heater, 300W Submersible Fish Tank Heater with Visible Temperature Setting&Protective Sleeve,Auto built-in Thermostat with Suction Cup Heating Rod" brand: "lnstudio" price: "VT21458" currency: VUV in_stock: true category: "Pet Supplies" url: https://www.desertcart.vu/products/61709011-lnstudio-aquarium-heater-300w-submersible-fish-tank-heater-with-visible store_origin: VU region: Vanuatu --- # LNSTUDIO Aquarium Heater, 300W Submersible Fish Tank Heater with Visible Temperature Setting&Protective Sleeve,Auto built-in Thermostat with Suction Cup Heating Rod **Brand:** lnstudio **Price:** VT21458 **Availability:** ✅ In Stock ## Quick Answers - **What is this?** LNSTUDIO Aquarium Heater, 300W Submersible Fish Tank Heater with Visible Temperature Setting&Protective Sleeve,Auto built-in Thermostat with Suction Cup Heating Rod by lnstudio - **How much does it cost?** VT21458 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.vu](https://www.desertcart.vu/products/61709011-lnstudio-aquarium-heater-300w-submersible-fish-tank-heater-with-visible) ## Best For - lnstudio enthusiasts ## Why This Product - Trusted lnstudio brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Description How to use: Install it in a position where water is fully immersed in the aquarium, and it will be completed if you energize. NOTE: 1. If the ambient temperature becomes higher than the set temperature, the water temperature may become higher than the set temperature. 2. It is underwater only. Since it may cause breakdown, bursting, bursting and fire due to residual heat outside the water, please remove to the outside of the aquarium after 20 minutes or more after turning off the power supply. 3. Please do not fill in the sand. Specification: Size: 38 cm * 3 cm Cord length: 160 cm Weight: 500 G Adaptive aquarium: 100 cm (300 L) or less Power: 300 W Voltage:220V Service guarantee: 1-Month Back Guarantee 6-Month Replacement Warranty 1-Year Support Guarantee ## Features - 【FULLY SUBMERSIBLE AQUARIUM HEATER】300W-220V Strong Quartz Glass Digital Aquarium Fish Tank Heater, Suitable for aquariums range from100 to 200 liters. Includes 150cm cable for easy use. - 【SIMPLE OPERATION】 You can set Submersible Aquarium Heater both vertically and horizontally but do please put all the product inside the aquarium water. Don't expose the product out of water surface. - 【SAFETY PROTECTION】Auto Power-off in out-of-water and water shortage conditions, also built-in Over-Temperature Protection (Blue light's on) stops heating immediately, creating a safer and more comfortable aquarium environment for your love fish, turtles or other water pets. - 【EASY TO CONTROL】Since it has a thermostat, it is easy to set the water temperature inside the aquarium, keep it warm at the temperature value (20~34 ℃). Water temperature can be displayed at the tip of the heater. - 【EXPLOSION PROTECTION DEVICE】Anti-flaming heater cover can prevent fish from going too close to the heater, give your aquarium fish, amphibians, turtles full protection. - ›See more product details ## Images ![LNSTUDIO Aquarium Heater, 300W Submersible Fish Tank Heater with Visible Temperature Setting&Protective Sleeve,Auto built-in Thermostat with Suction Cup Heating Rod - Image 1](https://images-na.ssl-images-amazon.com/images/I/41LIL8f7wzL.jpg) ![LNSTUDIO Aquarium Heater, 300W Submersible Fish Tank Heater with Visible Temperature Setting&Protective Sleeve,Auto built-in Thermostat with Suction Cup Heating Rod - Image 2](https://images-na.ssl-images-amazon.com/images/I/41MJYtRIIpL.jpg) ![LNSTUDIO Aquarium Heater, 300W Submersible Fish Tank Heater with Visible Temperature Setting&Protective Sleeve,Auto built-in Thermostat with Suction Cup Heating Rod - Image 3](https://images-na.ssl-images-amazon.com/images/I/418gWs1KSZL.jpg) ![LNSTUDIO Aquarium Heater, 300W Submersible Fish Tank Heater with Visible Temperature Setting&Protective Sleeve,Auto built-in Thermostat with Suction Cup Heating Rod - Image 4](https://images-na.ssl-images-amazon.com/images/I/41IDewXLY7L.jpg) ![LNSTUDIO Aquarium Heater, 300W Submersible Fish Tank Heater with Visible Temperature Setting&Protective Sleeve,Auto built-in Thermostat with Suction Cup Heating Rod - Image 5](https://images-na.ssl-images-amazon.com/images/I/41eVEmyhzNL.jpg) --- ## 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.vu/products/61709011-lnstudio-aquarium-heater-300w-submersible-fish-tank-heater-with-visible](https://www.desertcart.vu/products/61709011-lnstudio-aquarium-heater-300w-submersible-fish-tank-heater-with-visible) --- *Product available on Desertcart Vanuatu* *Store origin: VU* *Last updated: 2026-05-05*