--- product_id: 772308164 title: "H400 Mini Scuba Tank 1.0L Scuba Tank Up to 20 Minutes Underwater Breathing Portable Diving Tank with On-Off Valve Reusable Pony Bottle for Underwater Exploration Emergency/Recreation" brand: "houvan" price: "¥80923" currency: JPY in_stock: true reviews_count: 5 category: "Houvan" url: https://www.desertcart.jp/products/772308164-h400-mini-scuba-tank-1-0l-scuba-tank-up-to store_origin: JP region: Japan --- # Up to 20 min underwater breathing Adjustable on/off valve with constant pressure Aviation-grade 6061 aluminum, plane-safe H400 Mini Scuba Tank 1.0L Scuba Tank Up to 20 Minutes Underwater Breathing Portable Diving Tank with On-Off Valve Reusable Pony Bottle for Underwater Exploration Emergency/Recreation **Brand:** houvan **Price:** ¥80923 **Availability:** ✅ In Stock ## Summary > 🌊 Dive Deeper, Stay Lighter — Your Portable Breath of Freedom ## Quick Answers - **What is this?** H400 Mini Scuba Tank 1.0L Scuba Tank Up to 20 Minutes Underwater Breathing Portable Diving Tank with On-Off Valve Reusable Pony Bottle for Underwater Exploration Emergency/Recreation by houvan - **How much does it cost?** ¥80923 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.jp](https://www.desertcart.jp/products/772308164-h400-mini-scuba-tank-1-0l-scuba-tank-up-to) ## Best For - houvan enthusiasts ## Why This Product - Trusted houvan brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Precision Breathing Control:** Latest constant pressure valve with easy on/off control ensures safer, smoother airflow than traditional direct suction valves. - • **Rapid & Versatile Refilling:** Compatible with professional dive shops, air compressors, and hand pumps—refill in as little as 8-10 seconds for uninterrupted adventure. - • **Multi-Scenario Essential Gear:** Perfect for beginner training, emergency backup, underwater photography, and exploration—your must-have compact dive companion. - • **Dive Confidently for 20 Minutes:** Compact 1.0L capacity delivers reliable underwater breathing time for short dives and practice sessions. - • **Engineered for Durability & Travel:** Crafted from aviation-grade 6061 aluminum, this tank is lightweight, ultra-durable, and airline-friendly when detached. ## Overview The HOUVAN H400 Mini Scuba Tank is a 1.0L portable diving cylinder made from aviation-grade aluminum, offering up to 20 minutes of underwater breathing. Featuring a cutting-edge constant pressure valve with on/off control, it ensures safer and smoother airflow. Airline-safe when detached, it supports multiple refill methods and suits a variety of underwater activities from beginner practice to emergency rescue. ## Description Shop HOUVAN Mini Diving Tank 1.0L H400 15-20 Minutes with Underwater Breathing Portable with On/Off Valve, Reusable Pony Bottle for Underwater Exploration, Emergency/Leisure. Free delivery and returns on all eligible orders. Review: Great for short trips and practice - Great for practicing scuba. I use it to go down a bit when I am snorkeling and it is absolutely perfect for that. Review: Buenas calidad - Excelente producto me encantó súper compacto la calidad es muy buenas ## Features - HOUVAN H400 The HOUVAN H400 breathing valve for diving tank adopts the latest constant pressure design, which can also be adjusted by opening and closing the control valve, which is safer than the previous direct suction breathing valve. The diving tank is made of 6061 aviation aluminum, which is extremely durable. At the same time, when the body of the diving cylinder is separated from the valve head, it can be safely carried on the plane and follow you where you want to go. - Up to 20 Minutes Underwater Breathing - HOUVAN H400 mini diving tank is CE/DOT certified, with 1L capacity, which can up to 20 minutes of underwater breathing. The specific use time is determined by factors such as breathing rate and diving depth. Note: Do not dive in water greater than 33 feet and less than 50 degrees Fahrenheit. Above 100 feet, the diving tank can only be used for another origin. - Multiple Filling Methods The diving tank has an 8mm inflatable interface and can be inflated in most professional diving shops. Use a diving adapter to introduce compressed air from the large cylinder into the diving tank, which can be filled in just 8-10 seconds. It takes about 12-15 minutes to use a HOUVAN air compressor. It takes about 30-35 minutes to apply the hand pump, which is more difficult, it is recommended to use it as a backup. The working pressure is not more than 3000 psi/200 bar/20 MPa. - Multiple Applicable Scenarios The HOUVAN H400 diving tank can be used both as a beginner diving practice and as a backup source for professional divers. The same applies to dangerous underwater rescue and fire rescue operations. This mini diving tank is easy to carry and easy to use, and can be used for a variety of scenarios such as boat bottom cleaning, pool search, underwater photography, underwater exploration, etc., which is a must-have perfect equipment for outdoor diving. - 【Our Service】You can get: H400 diving cylinder, 1.0L cloth bag, diving adapter, user manual and other additional accessories. It is recommended to read the product manual carefully before using the product. If you have any questions about the product, please feel free to contact us. ## Technical Specifications | Specification | Value | |---------------|-------| | Asin | B0CTS5XQZG | | Batteries Included | No | | Brand | HOUVAN | | Color | Black | | Customer Reviews | 4.2 4.2 out of 5 stars (16) 4.2 out of 5 stars | | Date First Available | 5 July 2025 | | Guaranteed Software Updates Until | unknown | | Manufacturer | HOUVAN | | Product Dimensions | 35.56 x 30.48 x 12.7 cm; 3.02 kg | | Size | H400-A-B | | Style | H400 Black+Diving Adapter | ## Images ![H400 Mini Scuba Tank 1.0L Scuba Tank Up to 20 Minutes Underwater Breathing Portable Diving Tank with On-Off Valve Reusable Pony Bottle for Underwater Exploration Emergency/Recreation - Image 1](https://m.media-amazon.com/images/I/71Aed8G-bjL.jpg) ## Available Options This product comes in different **Style** options. ## Customer Reviews ### ⭐⭐⭐⭐⭐ Great for short trips and practice *by M***E on 20 April 2026* Great for practicing scuba. I use it to go down a bit when I am snorkeling and it is absolutely perfect for that. ### ⭐⭐⭐⭐⭐ Buenas calidad *by D***. on 7 August 2026* Excelente producto me encantó súper compacto la calidad es muy buenas ### ⭐⭐⭐⭐⭐ A nice little kit. *by M***L on 14 August 2024* This is a great kit for someone with basic scuba diving knowledge. If course when you go down with this make sure you are allowing the air to escape your lungs by blowing out slowly the entire accent. This unit is highly portable and it even comes with the adapter you need to fill up the tank via a main tank. This kits great for an extra emergency air or snorkeling when you just want a little time at the bottom. --- ## 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.jp/products/772308164-h400-mini-scuba-tank-1-0l-scuba-tank-up-to](https://www.desertcart.jp/products/772308164-h400-mini-scuba-tank-1-0l-scuba-tank-up-to) --- *Product available on Desertcart Japan* *Store origin: JP* *Last updated: 2026-09-18*