--- product_id: 49678818 title: "5 metre of AQUARIUM air line,fish tank airline(4/6MM) BY CRISTALLO®" brand: "hifitt" price: "637993₫" currency: VND in_stock: true reviews_count: 8 category: "Hi Fitt" url: https://www.desertcart.vn/products/49678818-5-metre-of-aquarium-air-line-fish-tank-airline-4 store_origin: VN region: Vietnam --- # Durable, weatherproof tubing 4/6mm diameter for optimal airflow 5 metres length for versatile setup 5 metre of AQUARIUM air line,fish tank airline(4/6MM) BY CRISTALLO® **Brand:** hifitt **Price:** 637993₫ **Availability:** ✅ In Stock ## Summary > 💨 Elevate your aquarium’s vibe with crystal-clear airflow! ## Quick Answers - **What is this?** 5 metre of AQUARIUM air line,fish tank airline(4/6MM) BY CRISTALLO® by hifitt - **How much does it cost?** 637993₫ 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/49678818-5-metre-of-aquarium-air-line-fish-tank-airline-4) ## Best For - hifitt enthusiasts ## Why This Product - Trusted hifitt brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Seamless 5m Length:** Perfectly sized for flexible aquarium layouts and creative water features. - • **Trusted HiFitt Quality:** Join over 1,300 satisfied users who rate this tubing 4.6 stars for reliability and natural material safety. - • **Effortless Installation:** Simply connect and enjoy—no tools or hassle, ideal for busy professionals. - • **Weatherproof Durability:** Built to withstand year-round conditions, ensuring long-lasting performance without compromise. - • **Precision 4/6mm Diameter:** Engineered for consistent, efficient air delivery to keep your aquatic environment thriving. ## Overview The HiFitt 5-metre aquarium airline tubing (4/6mm) by CRISTALLO® offers a durable, weatherproof solution designed for efficient air delivery in fish tanks and aquatic setups. Its natural material and precise dimensions ensure optimal performance, making it a top choice among aquarium enthusiasts seeking reliable, easy-to-install accessories. ## Description Features: ◆Easy Installation, Just Insert The Bar Into The Earth. ◆Weatherproof, Working All Year Round Pet No Matter How The Weather Conditions Is. ◆The Solar Powered Animal Repeller Is Use Ultrasonic Wave, It’S A Safe And Humane Way To Keep Unwanted Animals Away From Farm, Garden, Park, Lawn, Yard Etc. ◆The Passive Infrared Sensor Pir Detects Motion And Triggers The Ultrasonic Speaker Emitting A Tone That People Cannot Hear But Chases Away Dogs, Cats, Skunks, Etc. Attention Allow The Animal Repellent To Operate Continuously For Best Results. Do Not Immerse Repellent In Water. Do Not Cover Up The Pir Sensor. To Clean The Repellent, Use A Damp Soft Cloth And Mild Soap With Water. Do Not Use Harsh Chemicals Or Abrasive Cleaning Agents That May Damage The Repellent. Package Includes: ◆1 X Animal Repellent ◆18 X English Manual Review: Came on time - It is what it said it is Review: Used mine To make a water bubble wall - Little project l did to make a water wall last year ## Features - 5 metre of AQUARIUM air line fish tank airline 4 6MM BY CRISTALLO - Brand : HiFitt - Product type: PLANT SEED ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B00I0ZQO4S | | Best Sellers Rank | 45,258 in Pet Supplies ( See Top 100 in Pet Supplies ) 247 in Aquarium Air Pump Accessories | | Brand Name | HiFitt | | Country Of Origin | China | | Customer Reviews | 4.6 4.6 out of 5 stars (1,379) | | Material Features | Natural | | Other Special Features of the Product | Natural | | Sunlight Exposure | Full Sun | | Unit Count | 1 Count | | expected blooming period | Autumn, Spring, Winter, Year Round | ## Product Details - **Brand:** HiFitt - **Expected blooming period:** Autumn, Spring, Winter, Year Round - **Material feature:** Natural - **Special feature:** Natural - **Sunlight exposure:** Full Sun - **Unit count:** 1 Count ## Images ![5 metre of AQUARIUM air line,fish tank airline(4/6MM) BY CRISTALLO® - Image 1](https://m.media-amazon.com/images/I/31De5Q0YqzL.jpg) ## Questions & Answers **Q: What is the outside diameter of this tubing?** A: 4/6 mm **Q: Is this hard airline.?** A: No it is very pliable **Q: I intend to use this for a totally different purpose, I'd like to use it to cover a pencil to stop my son chewing it. Do you think a pencil would fit?** A: coat it in chilli powder, your lad will stop chewing it in no time ! **Q: Will this tube be good to use for a co2 set up in my aquarium?** A: Yes , it is what I used for my DIY co2 generator , along with a non return valve between generator and aquarium . ## Customer Reviews ### ⭐⭐⭐⭐⭐ Came on time *by K***H on 25 June 2025* It is what it said it is ### ⭐⭐⭐⭐⭐ Used mine To make a water bubble wall *by A***Y on 28 February 2024* Little project l did to make a water wall last year ### ⭐⭐⭐⭐⭐ Perfect for my needs *by H***S on 16 June 2020* Running a medium sized reef tank, I needed some additonal tubing for my dosing units and also some replace some older tubing that was under the salt water line. Using this tubing was easy, cut nicely without any breakages or tears. I have been able to use this quickly for my airline for "bubble scrubbing" without any issues. It hasnt leached anything into the water and can verify this via ICP-OES tests from triton. All in all, very very impressed. Just wish they had more in stock as I need more :) ## Frequently Bought Together - 5 metre of AQUARIUM air line,fish tank airline(4/6MM) BY CRISTALLO® - Hidom 4.0w Aquarium Adjustable Air Pump Twin Valve HD-603 with Accessories - Uniclife Aquarium 10 cm Air Stone Disc Bubble Diffuser Release Tool for Air Pumps Buckets Fish Tanks Ponds DWC Reservoirs and Circulation System --- ## 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/49678818-5-metre-of-aquarium-air-line-fish-tank-airline-4](https://www.desertcart.vn/products/49678818-5-metre-of-aquarium-air-line-fish-tank-airline-4) --- *Product available on Desertcart Vietnam* *Store origin: VN* *Last updated: 2026-05-10*