--- product_id: 520880061 title: "Aquarium Check Valves for Common Air Pumps,Aquarium Air Pump Check Valves | 4pcs Red Clear Plastic One Way Non-Return Check Valve AquariumAir Pump Accessories for Airline Tubing Fish Tank(4mm)" brand: "rowwait" price: "$7.90" currency: USD in_stock: true reviews_count: 8 category: "Rowwait" url: https://www.desertcart.us/products/520880061-aquarium-check-valves-for-common-air-pumps-aquarium-air-pump store_origin: US region: United States of America --- # 4pcs one-way valves Detachable & easy clean Prevents back siphoning Aquarium Check Valves for Common Air Pumps,Aquarium Air Pump Check Valves | 4pcs Red Clear Plastic One Way Non-Return Check Valve AquariumAir Pump Accessories for Airline Tubing Fish Tank(4mm) **Brand:** rowwait **Price:** $7.90 **Availability:** ✅ In Stock ## Summary > 🐠 Keep your air flowing, your fish thriving, and never miss a bubble! ## Quick Answers - **What is this?** Aquarium Check Valves for Common Air Pumps,Aquarium Air Pump Check Valves | 4pcs Red Clear Plastic One Way Non-Return Check Valve AquariumAir Pump Accessories for Airline Tubing Fish Tank(4mm) by rowwait - **How much does it cost?** $7.90 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/products/520880061-aquarium-check-valves-for-common-air-pumps-aquarium-air-pump) ## Best For - rowwait enthusiasts ## Why This Product - Trusted rowwait brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Value Pack of Four:** Keep your aquarium running smoothly with enough valves for daily use and replacements. - • **Easy Maintenance Design:** Detachable valves allow quick unscrewing, cleaning, and hassle-free repairs. - • **Durable High-Quality Plastic:** Crafted from sturdy, aging-resistant plastic for long-lasting performance. - • **Reliable Backflow Protection:** Safeguard your air pump from water damage with precision one-way valves. - • **Universal Fit for 4mm Tubing:** Perfectly sized for most aquarium air pumps and fish tanks, ensuring seamless integration. ## Overview This 4-piece set of 4mm one-way aquarium check valves prevents water backflow, protecting your air pump during power outages. Made from durable plastic with a detachable design, these valves are easy to clean and maintain. Ideal for universal air pumps and fish tanks, they offer reliable, cost-effective protection and come in a convenient pack of four. ## Description 4 PCS Aquarium Air Pump Check Valves Red Clear Plastic One Way Non-Return Check Valve for Fish Tank Specification: Material: plastic Color: Red and transparency Size: Air Hole Diameter: 4mm/0.16inch, Length:5.3cm/2.1inches, Height:1.35cm/0.53inches. Quantity: 4pcs Descriptions: Protect you air pump by preventing aquarium water from back siphoning during a power outage. Proper size for universal air pump, fish tank, aquarium, fishing tackle shop, etc. 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. 4pcs one way non-return valves, which are enough for daily use and replacement. Warm tips: 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. Review: 4mm check valves - Very reasonably priced. All function as they should. Review: Cheap but brittle - Bought for my ponds air pump. Cheap enough and do the job. HOWEVER…….I did get a dud valve in the first pack I bought (wouldn’t let air through. I think that when it was glued together, excess glue sealed the valve shut), and the plastic it’s very brittle and it doesn’t take much for it to crack/split, especially when the ambient air temperature changes. ## Features - Package: 4pcs one way non-return valves, which are enough for daily use and replacement. - Material: 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. - Air Hole Diameter: 4mm/0.16inch, Length:5.3cm/2.1inches, Height:1.35cm/0.53inches. - How to use:Please poke it with a slim stick from the inlet side to push it open when it gets clogged inside and restricts air flow. - ApplicationION: Proper size for universal air pump, fish tank, aquarium, fishing tackle shop, etc. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0BWH6SL5X | | Best Sellers Rank | 8,457 in Pet Supplies ( See Top 100 in Pet Supplies ) 20 in Aquarium Air Pump Accessories | | Brand | Rowwait | | Brand Name | Rowwait | | Colour | Red and Transparent | | Country Of Origin | China | | Customer Reviews | 4.4 out of 5 stars 149 Reviews | | Item Weight | 0.01 Kilograms | | Item weight | 0.01 Kilograms | | Manufacturer | Rowwait | | Material | Plastic | | Material Type | Plastic | | Operation Mode | Manual | | Operation mode | Manual | | Power Source | Manual Powered | | Power source | Manual Powered | | Unit Count | 1.0 count | ## Product Details - **Colour:** Red and Transparent - **Brand:** Rowwait - **Material:** Plastic - **Item weight:** 0.01 Kilograms - **Power source:** Manual Powered ## Images ![Aquarium Check Valves for Common Air Pumps,Aquarium Air Pump Check Valves | 4pcs Red Clear Plastic One Way Non-Return Check Valve AquariumAir Pump Accessories for Airline Tubing Fish Tank(4mm) - Image 1](https://m.media-amazon.com/images/I/511k4WpwzoL.jpg) ## Customer Reviews ### ⭐⭐⭐⭐⭐ 4mm check valves *by K***S on 5 July 2026* Very reasonably priced. All function as they should. ### ⭐⭐⭐⭐ Cheap but brittle *by R***E on 26 May 2026* Bought for my ponds air pump. Cheap enough and do the job. HOWEVER…….I did get a dud valve in the first pack I bought (wouldn’t let air through. I think that when it was glued together, excess glue sealed the valve shut), and the plastic it’s very brittle and it doesn’t take much for it to crack/split, especially when the ambient air temperature changes. ### ⭐⭐⭐⭐⭐ Works well *by N***T on 6 July 2026* Good product ## Frequently Bought Together - 4pcs Aquarium Check Valves for Common Air Pumps,Aquarium Air Pump Check Valves Red Clear Plastic One Way Non-Return Check Valve Aquarium Air Pump Accessories for Airline Tubing Fish Tank,4mm - kuou 4 * 6mm (8M) Soft Air Pump Hose, Resistant to Knocks AIR TUBING Oxygen Soft Pump Hose Air Bubble Stone Aquarium Fish Tank Pond Pump Tube - Pawfly Commercial Aquarium Air Pump 960 L/H Silent Adjustable Oxygen Aerator Pump with 4-Outlet Air Flow Splitter and Accessories for Fish Tanks Ponds and DWC Systems Up to 1000 L --- ## 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.us/products/520880061-aquarium-check-valves-for-common-air-pumps-aquarium-air-pump](https://www.desertcart.us/products/520880061-aquarium-check-valves-for-common-air-pumps-aquarium-air-pump) --- *Product available on Desertcart United States of America* *Store origin: US* *Last updated: 2026-08-24*