--- product_id: 37842833 title: "- Aquarium Check Valves Plastic One Way Non-Return Check Valve for Fish Tank" brand: "pawfly" price: "119 DH" currency: MAD in_stock: true category: "Pawfly" url: https://www.desertcart.ma/products/37842833-aquarium-check-valves-plastic-one-way-non-return-check-valve store_origin: MA region: Morocco --- # Silent operation ensures peaceful aquarium ambiance Lightweight at 0.1 oz for minimal tubing drag 0.12" air hole diameter for optimal airflow - Aquarium Check Valves Plastic One Way Non-Return Check Valve for Fish Tank **Brand:** pawfly **Price:** 119 DH **Availability:** ✅ In Stock ## Summary > 🐠 Keep your tank breathing easy — silent, sleek, and fail-safe! ## Quick Answers - **What is this?** - Aquarium Check Valves Plastic One Way Non-Return Check Valve for Fish Tank by pawfly - **How much does it cost?** 119 DH with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.ma](https://www.desertcart.ma/products/37842833-aquarium-check-valves-plastic-one-way-non-return-check-valve) ## Best For - pawfly enthusiasts ## Why This Product - Trusted pawfly brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Backflow Barrier:** Prevents water backflow during outages, protecting your pump investment - • **Featherlight Design:** At just 0.1 oz, it adds zero bulk to your tubing setup - • **Effortless Maintenance:** Simple cleaning with a slim tool keeps airflow smooth and consistent - • **Precision Airflow Control:** Engineered 0.12" air holes optimize oxygen delivery without leaks - • **Whisper-Quiet Reliability:** Durable plastic construction ensures noiseless, long-term use ## Overview The CV6R is a compact, lightweight one-way check valve designed exclusively for oxygen aquarium air pumps. With a precise 0.12" air hole diameter and durable plastic build, it prevents water backflow during power interruptions while maintaining silent operation. Ideal for maintaining optimal aeration, this valve fits standard 3/16" airline tubing and requires minimal upkeep, making it an essential upgrade for any professional-grade aquarium setup. ## Description Aquarium Air Pump Check Valves Red/Clear Clear Plastic One Way Non-Return Check Valve for Fish Tank ## Features - For Oxygen Pumps Only: Great 1-way check valve for most common aquarium air pumps. NOT suitable for CO2 or other high-pressure systems to avoid crack and leak. - Small & Light: Size: 2.1" L x 0.55" W; Diameter of air holes: 0.12"; Weight: 0.1 oz. Standard ID airline tubing: 3/16". Add little weight to your hose for smooth airflow. - Ideal Pump Protectors: Prevent backflow of water through the tubing during a power outage or pump pause. Essential accessories for basic aeration setup in your fish tanks. - Sturdy & Quiet: Made of reliable plastic which can be tightly connected to the hose without air leak. The check valve can endure long-time use without making noise. - Easy Maintenance: Clean the valve regularly. Please poke it with a slim stick from the inlet side to push it open when it gets clogged inside and restricts air flow. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B01N92AXHF | | Best Sellers Rank | #8,625 in Pet Supplies ( See Top 100 in Pet Supplies ) #6 in Aquarium Air Pump Accessories | | Brand Name | Pawfly | | Connector Type | Compression | | Customer Reviews | 4.5 4.5 out of 5 stars (5,487) | | Exterior Finish | Plastic | | Inlet Connection Type | Compression | | Item Dimensions | 2.13 x 0.83 x 0.83 inches | | Item Weight | 10 Grams | | Manufacturer | Pawfly | | Manufacturer Part Number | PF-Ap | | Material Type | Plastic | | Model Number | PF-Ap | | Number of Pieces | 6 | | Number of Ports | 2 | | Outlet Connection Type | Compression | | Set Name | 6 Pack | | Size | 6 Pack | | Smart Home Compatibility | Not Smart Home Compatible | | Thread Size | 3/16 inch | | Thread Type | Compression | | UPC | 712383629098 712383629555 | | Unit Count | 6.0 Count | | Valve Type | Check Valve | ## Product Details - **Brand:** Pawfly - **Exterior Finish:** Plastic - **Inlet Connection Type:** Compression - **Item dimensions L x W x H:** 2.13 x 0.83 x 0.83 inches - **Manufacturer:** Pawfly - **Material:** Plastic - **Number of Ports:** 2 - **Outlet Connection Type:** Compression - **Smart Home Compatibility:** Not Smart Home Compatible - **Unit Count:** 6.0 Count ## Images ![- Aquarium Check Valves Plastic One Way Non-Return Check Valve for Fish Tank - Image 1](https://m.media-amazon.com/images/I/6129zPI7nfL.jpg) ## Available Options This product comes in different **Pattern, Color** options. ## Questions & Answers **Q: Are these ball and spring?** A: That is not part of the description and no such assembly is visible. You would have to ask Pawfly. **Q: does anyone know the maximum flow rate on these check valves?** A: NO ! But they work Great **Q: What size hose are these made for?** A: Standard aquarium hose 3/16" ID hose will fit. Used it with PENN PLAX Standard Airline Tubing without any problems **Q: What type of plastic is it made of** A: It's a hard clear good quality plastic. Successful at backflow prevention ## Frequently Bought Together - Pawfly Aquarium Check Valves Plastic One Way Non-Return Check Valve for Fish Tank - Penn-Plax Standard Airline Tubing for Aquariums – Clear and Flexible – Resists Kinking – Safe for Freshwater and Saltwater Fish Tanks – 25 Feet - Pawfly Aquarium Air Stone 1 Inch, Fish Tank Air Stone Aerator Bubble Diffuser for Nano Air Pumps Small Buckets and Fish Tanks, 10 Pack --- ## 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.ma/products/37842833-aquarium-check-valves-plastic-one-way-non-return-check-valve](https://www.desertcart.ma/products/37842833-aquarium-check-valves-plastic-one-way-non-return-check-valve) --- *Product available on Desertcart Morocco* *Store origin: MA* *Last updated: 2026-06-24*