--- product_id: 679991391 title: "Yikuo 4 Pieces Drain Backflow Preventer, One Way Valve, Adjustable Silicone Sink Floor Drain Trap for Pipes Tubes in Toilet Bathroom Kitchen" brand: "hlzc" price: "€ 46.11" currency: EUR in_stock: true reviews_count: 5 category: "Hlzc" url: https://www.desertcart.es/products/679991391-yikuo-4-pieces-drain-backflow-preventer-one-way-valve-adjustable store_origin: ES region: Spain --- # Ensures smooth water drainage Trim-to-fit silicone design Fits 1.5"-2" pipes Yikuo 4 Pieces Drain Backflow Preventer, One Way Valve, Adjustable Silicone Sink Floor Drain Trap for Pipes Tubes in Toilet Bathroom Kitchen **Brand:** hlzc **Price:** € 46.11 **Availability:** ✅ In Stock ## Summary > 🚿 Keep your drains fresh and flowing—because your home deserves the best! ## Quick Answers - **What is this?** Yikuo 4 Pieces Drain Backflow Preventer, One Way Valve, Adjustable Silicone Sink Floor Drain Trap for Pipes Tubes in Toilet Bathroom Kitchen by hlzc - **How much does it cost?** € 46.11 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.es](https://www.desertcart.es/products/679991391-yikuo-4-pieces-drain-backflow-preventer-one-way-valve-adjustable) ## Best For - hlzc enthusiasts ## Why This Product - Trusted hlzc brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Customizable Length:** Trim the silicone base for a perfect fit and faster drainage. - • **Complete 4-Piece Set:** Equip every drain in your home—bathroom, kitchen, laundry, and basement. - • **Effortless Installation:** No plumbing overhaul—install quickly without altering existing outlets. - • **Odor-Blocking Silicone Seal:** Keeps unwanted smells out while letting water flow effortlessly. - • **Universal Fit for Standard Pipes:** Seamlessly compatible with 1.5 to 2-inch drain pipes—no guesswork needed. ## Overview The Yikuo 4 Pieces Drain Backflow Preventer is a modern, adjustable silicone valve designed to fit standard 1.5 to 2-inch pipes. It prevents odors from escaping while allowing smooth water drainage. Easy to install without modifying existing plumbing, its trim-to-fit silicone base ensures a perfect, customizable fit. Ideal for multiple floor drains including bathrooms, kitchens, and basements, this set includes four valves with enlarge and retainer rings for secure placement. ## Description Installation Guide: 1. Please measure precisely the internal diameter of drain opening, in case any inconvenience brought by unmatched size. 2. Measure the depth of the tube. 3. Install the floor drain one way valve. 4. Because the stickiness and softness feature of silicone, make sure support apart the open of drain grate with your hands in the first installation for the smooth draining. Package Contains: 4 x Silicone Drain Backflow Preventer 4 x Enlarge Rings 4 x Retainer Rings Review: Es muy fácil de instalar y hasta ahora cumple muy bien su función - Se instala muy rápido Review: bon - C'était un produit pour mon frère. Idéal pour lui. Ça fait le travail pour l'urinoir de son commerce. Depuis plusieurs mois qu'il a installé ce produit. Il aime. Plus d'odeur désagréable. La quantité était un peu énorme. ## Features - It is suitable for standard 1 1/2” to 2" pipe. - It avoids odor get out of the pipe while also allowing the water to easily drain. - Installation is very simple, with no alteration to existing outlets. - Just order several to install in every floor drain, like basement, laundry, bathroom shower, kitchen sink etc. - If the silicone part is too long, you can trim the flat bottom to achieve quick drainage. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0895NFGCN | | Brand | HLZC | | Colour | Blue | | Customer Reviews | 3.9 out of 5 stars 539 Reviews | | Enclosure Material | Silicone | | Finish Type | Silicone | | Finish Types | Silicone | | Global Trade Identification Number | 06221243457657 | | Item Weight | 200 Grams | | Manufacturer | yikuo | | Manufacturer Part Number | 4 | | Material | Silicone | | Model number | 4 | | Number of Items | 4 | | Product Features | Adjustable | | Product Style | Modern | | Special Feature | Adjustable | | Style | Modern | ## Product Details - **Brand:** HLZC - **Colour:** Blue - **Material:** Silicone - **Finish Type:** Silicone - **Special Feature:** Adjustable ## Images ![Yikuo 4 Pieces Drain Backflow Preventer, One Way Valve, Adjustable Silicone Sink Floor Drain Trap for Pipes Tubes in Toilet Bathroom Kitchen - Image 1](https://m.media-amazon.com/images/I/61HyIDV3eIS.jpg) ![Yikuo 4 Pieces Drain Backflow Preventer, One Way Valve, Adjustable Silicone Sink Floor Drain Trap for Pipes Tubes in Toilet Bathroom Kitchen - Image 2](https://m.media-amazon.com/images/I/51GCnzX2OKS.jpg) ![Yikuo 4 Pieces Drain Backflow Preventer, One Way Valve, Adjustable Silicone Sink Floor Drain Trap for Pipes Tubes in Toilet Bathroom Kitchen - Image 3](https://m.media-amazon.com/images/I/61Rf+niohxS.jpg) ![Yikuo 4 Pieces Drain Backflow Preventer, One Way Valve, Adjustable Silicone Sink Floor Drain Trap for Pipes Tubes in Toilet Bathroom Kitchen - Image 4](https://m.media-amazon.com/images/I/51UMs+KL4OS.jpg) ![Yikuo 4 Pieces Drain Backflow Preventer, One Way Valve, Adjustable Silicone Sink Floor Drain Trap for Pipes Tubes in Toilet Bathroom Kitchen - Image 5](https://m.media-amazon.com/images/I/51h7fts2xjS.jpg) ## Questions & Answers **Q: Would this be effective for a vent Backdraft. Would it flap and be noisy with air pushed through it?** A: I think this should not be effective for a vent Backdraft. Of course you can also try it. **Q: Does this fit standard US sink drains and showers ?** A: Hello, you need to measure the opening of your drains. This fits 1 1/2" to 1 3/4" drain opening. **Q: Will this stop water backflow?** A: The bottom of this floor drain is closed, which can stop water backflow **Q: How much air pressure does it take to activate airflow for waterless checkvalve vent?** A: It needs normal or mild air pressure. ## Customer Reviews ### ⭐⭐⭐⭐⭐ Es muy fácil de instalar y hasta ahora cumple muy bien su función *by E***. on 3 November 2022* Se instala muy rápido ### ⭐⭐⭐⭐⭐ bon *by F***N on 12 October 2025* C'était un produit pour mon frère. Idéal pour lui. Ça fait le travail pour l'urinoir de son commerce. Depuis plusieurs mois qu'il a installé ce produit. Il aime. Plus d'odeur désagréable. La quantité était un peu énorme. ### ⭐⭐⭐⭐⭐ حلوة *by A***M on 12 October 2025* ممتازة كجودة ## Frequently Bought Together - HLZC Drain Backflow Preventer, One Way Valve, Adjustable Silicone Sink Floor Drain Trap for Pipes Tubes in Toilet Bathroom Kitchen (Blue-4) - Shower Floor Drain Backflow Preventer Valve Sewer Core Drainage Insert Drain Plug Hair Catcher Gas Sealer Floor Strainer Trap Seal (Blue-2Pack) - COLDDD 2Pcs Odor Proof Floor Drain, Floor Drain backflow Preventer, Shower Plug, Magnetic One-Way Drain Valve, Prevent Odor Dispersion in Bathrooms, and Kitchens (1.5''-2.0'' Caliber) --- ## 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.es/products/679991391-yikuo-4-pieces-drain-backflow-preventer-one-way-valve-adjustable](https://www.desertcart.es/products/679991391-yikuo-4-pieces-drain-backflow-preventer-one-way-valve-adjustable) --- *Product available on Desertcart Spain* *Store origin: ES* *Last updated: 2026-05-31*