--- product_id: 271776604 title: "DELFINO Aquarium Air Pump Check Valves Plastic One Way Non-Return Check Valves 16pcs Aquarium Air Pump Accessories for Fish Tank Air Line Tube Tubing Hose Pipe Fitting Black Red Air Pump Accessories" brand: "delfino" price: "€ 16.06" currency: EUR in_stock: true reviews_count: 2 category: "Delfino" url: https://www.desertcart.gr/products/271776604-delfino-aquarium-air-pump-check-valves-plastic-one-way-non store_origin: GR region: Greece --- # 16pcs durable valves Detachable for easy cleaning Prevents back siphoning DELFINO Aquarium Air Pump Check Valves Plastic One Way Non-Return Check Valves 16pcs Aquarium Air Pump Accessories for Fish Tank Air Line Tube Tubing Hose Pipe Fitting Black Red Air Pump Accessories **Brand:** delfino **Price:** € 16.06 **Availability:** ✅ In Stock ## Summary > 🐠 Keep your tank thriving with zero backflow drama! ## Quick Answers - **What is this?** DELFINO Aquarium Air Pump Check Valves Plastic One Way Non-Return Check Valves 16pcs Aquarium Air Pump Accessories for Fish Tank Air Line Tube Tubing Hose Pipe Fitting Black Red Air Pump Accessories by delfino - **How much does it cost?** € 16.06 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.gr](https://www.desertcart.gr/products/271776604-delfino-aquarium-air-pump-check-valves-plastic-one-way-non) ## Best For - delfino enthusiasts ## Why This Product - Trusted delfino brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Universal Fit:** Compact 5mm air hole diameter fits most air pumps and tubing setups for versatile aquarium compatibility. - • **Bulk Pack Power:** 16 high-quality check valves to keep your aquarium running smoothly without constant replacements. - • **Backflow Blocker:** Protect your air pump and aquatic life by preventing water from flowing backward during power outages. - • **Effortless Maintenance:** Detachable design allows quick unscrewing for hassle-free cleaning and repairs, saving you time. - • **Durability Meets Design:** Made from sturdy, aging-resistant plastic in sleek black & red—built to last and look sharp. ## Overview The DELFINO Aquarium Air Pump Check Valves come in a convenient 16-piece set, crafted from durable plastic to prevent water back siphoning and protect your air pump. Their detachable design ensures easy cleaning and maintenance, while the universal 5mm air hole diameter fits most aquarium air lines. Ideal for professional and hobbyist aquarists seeking reliable, long-lasting accessories. ## Description Specification: Material: plastic Color: black & red Quantity: 16pcs Air Hole Diameter: 5mm/ 0.19inch Overall Size: 5 x 1.5cm/ 1.9 x 0.6inch(LxD) Note: Please DO NOT use them with CO2 system. Please check if install correctly. One check valve is required for each outlet, and two for double-head pumps, and so on. Please use a paperclip to poke it from Input side to Ouput side when the outlet inside gets stuck. Before installation,you may need to unscrew and open up check valve, pinch the rubber boot inside valve to make sure small slit is open. Otherwise no air to tank. Package includes: 16pcs x Aquarium Check Valves Review: عادي - بعضهم يعمل و البعض لا يعمل Review: Leaks on most unit - Returned. ## Features - 🐠Non Return Check Valves, 16pcs, enough for daily use and replacement. - 🐠Made of high quality Plastic material, not easy to aging, sturdy and durable. - 🐠Detachable design makes it easier for you to unscrew, clean and repair. - 🐠Small and compact, which protect air pump by preventing aquarium water from back siphoning during a power outage. - 🐠Air Hole Diameter: 5mm/ 0.19inch, overall size: 5 x 1.5cm/ 1.9 x 0.6inch(LxD). Proper size for universal air pump, fish tank, aquarium, fishing tackle shop, etc. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B08RSCHKLQ | | Best Sellers Rank | #7,237 in Pet Supplies ( See Top 100 in Pet Supplies ) #305 in Aquarium Accessories | | Brand | DELFINO | | Brand Name | DELFINO | | Color | black & red | | Colour | black & red | | Country of Publication | China | | Customer Reviews | 3.7 out of 5 stars 6 Reviews | | Item Dimensions L x W x H | 5L x 1.5W x 1.5H centimeters | | Manufacturer | DELFINO | | Material | Plastic | | Material Type | Plastic | | Operation Mode | Manual | | Operation mode | Manual | | Power Source | Corded Electric | | Power source | Corded Electric | | Product dimensions | 5L x 1.5W x 1.5H centimeters | | Unit Count | 16 Count | ## Product Details - **Colour:** black & red - **Brand:** DELFINO - **Material:** Plastic - **Product dimensions:** 5L x 1.5W x 1.5H centimeters - **Power source:** Corded Electric ## Images ![DELFINO Aquarium Air Pump Check Valves Plastic One Way Non-Return Check Valves 16pcs Aquarium Air Pump Accessories for Fish Tank Air Line Tube Tubing Hose Pipe Fitting Black Red Air Pump Accessories - Image 1](https://m.media-amazon.com/images/I/61rWfLeY19L.jpg) ![DELFINO Aquarium Air Pump Check Valves Plastic One Way Non-Return Check Valves 16pcs Aquarium Air Pump Accessories for Fish Tank Air Line Tube Tubing Hose Pipe Fitting Black Red Air Pump Accessories - Image 2](https://m.media-amazon.com/images/I/511+nQ5cRlL.jpg) ![DELFINO Aquarium Air Pump Check Valves Plastic One Way Non-Return Check Valves 16pcs Aquarium Air Pump Accessories for Fish Tank Air Line Tube Tubing Hose Pipe Fitting Black Red Air Pump Accessories - Image 3](https://m.media-amazon.com/images/I/71agObJJAAL.jpg) ![DELFINO Aquarium Air Pump Check Valves Plastic One Way Non-Return Check Valves 16pcs Aquarium Air Pump Accessories for Fish Tank Air Line Tube Tubing Hose Pipe Fitting Black Red Air Pump Accessories - Image 4](https://m.media-amazon.com/images/I/510uUhBBOaL.jpg) ![DELFINO Aquarium Air Pump Check Valves Plastic One Way Non-Return Check Valves 16pcs Aquarium Air Pump Accessories for Fish Tank Air Line Tube Tubing Hose Pipe Fitting Black Red Air Pump Accessories - Image 5](https://m.media-amazon.com/images/I/61q4lM0+JuL.jpg) ## Customer Reviews ### ⭐⭐ عادي *by A***H on 17 March 2025* بعضهم يعمل و البعض لا يعمل ### ⭐⭐⭐ Leaks on most unit *by L***Y on 15 April 2023* Returned. ## Frequently Bought Together - DELFINO Aquarium Air Pump Check Valves Plastic One Way Non-Return Check Valves 16pcs Aquarium Air Pump Accessories for Fish Tank Air Line Tube Tubing Hose Pipe Fitting Black Red Air Pump Accessories - Api Freshwater Aquarium Master Test Kit, 800 Count, Multicolor - Seachem Prime 100 Ml, Tap Water Conditioner For Fresh & Salt Aquarium --- ## 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.gr/products/271776604-delfino-aquarium-air-pump-check-valves-plastic-one-way-non](https://www.desertcart.gr/products/271776604-delfino-aquarium-air-pump-check-valves-plastic-one-way-non) --- *Product available on Desertcart Greece* *Store origin: GR* *Last updated: 2026-07-28*