--- product_id: 214387923 title: "Drain Backflow Preventer, One Way Valve, Adjustable Silicone Sink Floor Drain Trap for Pipes Tubes in Toilet Bathroom Kitchen (Blue-4)" brand: "hlzc" price: "VT3345" currency: VUV in_stock: true category: "Hlzc" url: https://www.desertcart.vu/products/214387923-drain-backflow-preventer-one-way-valve-adjustable-silicone-sink-floor store_origin: VU region: Vanuatu --- # Fits 1.5"–1.75" pipes Durable eco-friendly silicone Automatic odor & backflow block Drain Backflow Preventer, One Way Valve, Adjustable Silicone Sink Floor Drain Trap for Pipes Tubes in Toilet Bathroom Kitchen (Blue-4) **Brand:** hlzc **Price:** VT3345 **Availability:** ✅ In Stock ## Summary > 🚫💨 Keep the stink out, let freshness in! ## Quick Answers - **What is this?** Drain Backflow Preventer, One Way Valve, Adjustable Silicone Sink Floor Drain Trap for Pipes Tubes in Toilet Bathroom Kitchen (Blue-4) by hlzc - **How much does it cost?** VT3345 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.vu](https://www.desertcart.vu/products/214387923-drain-backflow-preventer-one-way-valve-adjustable-silicone-sink-floor) ## 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 - • **Tool-Free Installation:** Simply insert into your drain pipe—trim if needed—and enjoy instant protection and fresh air. - • **Eco-Friendly Durability:** Made from premium silicone that’s flexible, stretchable, and built to last without deforming. - • **Odor & Backflow Blocker:** Smart one-way valve design keeps your space fresh by preventing sewer gases and backflow. - • **Versatile Home Essential:** Ideal for toilets, kitchens, basements, and laundry drains—upgrade your home’s hygiene effortlessly. - • **Universal Fit, Zero Hassle:** Adjustable rings ensure perfect seal for standard pipe sizes, no guesswork needed. ## Overview The HLZC Drain Backflow Preventer is an adjustable silicone one-way valve designed to fit standard 1.5" to 1.75" pipes. It prevents sewer gas odors and backflow with an automatic shut-off mechanism, made from durable, eco-friendly silicone. Easy to install without tools, it’s perfect for toilets, kitchens, basements, and laundry drains, ensuring a fresher, cleaner home environment. ## Description HLZC Drain Backflow Preventer, One Way Valve, Adjustable Silicone Sink Floor Drain Trap for Pipes Tubes in Toilet Bathroom Kitchen (Blue-4) - desertcart.com ## Features - It is suitable for standard 1 1/2” to 1 3/4" pipe. Please measure the pipes you want to use before buying to ensure that you can buy a suitable floor drain. There are two fixed rings that can meet the different needs of large and small pipes. - The automatic shut-off design allows it to prevent odor and peculiar smell from the sewage gas; block the backflow of sewer; and it can also allow the water to easily drain. - The installation is very simple, just put it directly into the sewer pipe. If the silicone part is too long, you can trim the flat bottom to achieve quick drainage. - The floor drain is made of high-quality silicone, which is environmentally friendly, durable, stretchable without worrying about deformation, and super flexible. - It is suitable for most toilets, bathrooms, kitchens, basements and washing machine sewers. After installation, you will no longer have peculiar smells in your room. Fresh air and enjoy a good life. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0895NFGCN | | Additional Features | Adjustable | | Best Sellers Rank | #156,759 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #546 in Kitchen Drains & Strainers | | Brand Name | HLZC | | Color | Blue | | Compatible Groove Diameter | 4 centimeters | | Customer Reviews | 4.0 4.0 out of 5 stars (769) | | Finish Types | Brushed | | Global Trade Identification Number | 06221243457657 | | Included Components | NO | | Item Dimensions W x H | 1.77"W x 4.52"H | | Item Weight | 200 g | | Manufacturer | HLZC | | Manufacturer Part Number | 4 | | Material Type | Silicone | | Model Number | 4 | | Number of Items | 10 | | Number of Packs | 4 | | Product Style | Modern | | Unit Count | 4 Count | ## Product Details - **Brand:** HLZC - **Color:** Blue - **Finish Type:** Brushed - **Material:** Silicone - **Product Dimensions:** 1.77"W x 4.52"H ## Images ![Drain Backflow Preventer, One Way Valve, Adjustable Silicone Sink Floor Drain Trap for Pipes Tubes in Toilet Bathroom Kitchen (Blue-4) - Image 1](https://m.media-amazon.com/images/I/61HyIDV3eIS.jpg) ## Available Options This product comes in different **Color** options. ## 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. ## 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.vu/products/214387923-drain-backflow-preventer-one-way-valve-adjustable-silicone-sink-floor](https://www.desertcart.vu/products/214387923-drain-backflow-preventer-one-way-valve-adjustable-silicone-sink-floor) --- *Product available on Desertcart Vanuatu* *Store origin: VU* *Last updated: 2026-09-16*