--- product_id: 275870747 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: "Rp969968" currency: IDR in_stock: false reviews_count: 6 category: "Hlzc" url: https://www.desertcart.id/products/275870747-drain-backflow-preventer-one-way-valve-adjustable-silicone-sink-floor store_origin: ID region: Indonesia --- # Flexible, durable silicone Fits 1.5"–1.75" pipes Backflow & odor blocker Drain Backflow Preventer, One Way Valve, Adjustable Silicone Sink Floor Drain Trap for Pipes Tubes in Toilet Bathroom Kitchen (Blue-4) **Brand:** hlzc **Price:** Rp969968 **Availability:** ❌ Out of Stock ## Summary > 🚿 Seal out the stink, let freshness flow! ## 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?** Rp969968 with free shipping - **Is it available?** Currently out of stock - **Where can I buy it?** [www.desertcart.id](https://www.desertcart.id/products/275870747-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 - • **Versatile Application:** Ideal for toilets, kitchens, bathrooms, basements, and laundry drains—upgrade any space effortlessly. - • **Plug & Play Installation:** No tools needed—simply insert into your drain pipe for instant protection and peace of mind. - • **Universal Fit, Zero Hassle:** Adjustable rings ensure perfect seal for standard pipe sizes from 1.5" to 1.75", eliminating guesswork. - • **Odor-Free Living Guaranteed:** Automatic shut-off design blocks sewer gases and backflow, keeping your space fresh and inviting. - • **Premium Silicone Durability:** Eco-friendly, stretchable silicone resists deformation and adapts to your plumbing needs with ease. ## Overview The HLZC Drain Backflow Preventer is a high-quality, adjustable silicone valve designed to fit standard 1.5" to 1.75" pipes. It prevents sewer gas odors and backflow with an automatic shut-off mechanism, ensuring a fresh, hygienic environment. Easy to install with included rings and retainer, this durable, flexible trap suits multiple drain types across bathrooms, kitchens, and basements. ## Description How to install it? Installation is very simple. Plug and play. Where can it be installed? It can be installed in floor drains or sewer pipes. For example: shower drain, basement drain, bathroom sink, kitchen sink, bathtub drain, laundry floor drain or sewer pipe, etc. Can it be installed in a 1.75-inch diameter ABS pipe? Of course. It is suitable for standard 1 1/2” to 1 3/4" pipe. Is it possible to fall into the sewer? It comes with a plastic enlarge adapter and a plastic retainer ring. If there is a gap after installation, you can also use Teflon tape to fix it in place. So please don't worry, there will be no risk of falling. Installation Guide: 1. Please measure precisely the internal diameter of drain opening, in case any inconvenience brought by unmatched size. 2. 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: Unsatisfied Product - Product is not suitable in my drainage Review: Se instala muy rápido ## 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 | | ASIN | B0895NFGCN | | Additional Features | Adjustable | | Best Sellers Rank | #34,584 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #241 in Kitchen Drains & Strainers | | Brand Name | HLZC | | Color | Blue | | Customer Reviews | 3.9 3.9 out of 5 stars (534) | | Customer reviews | 3.9 3.9 out of 5 stars (534) | | Date First Available | 9 July 2020 | | Finish Types | Brushed | | Global Trade Identification Number | 06221243457657 | | Item Dimensions W x H | 45W x 115H millimeters | | Item Weight | 200 Grams | | Item model number | 4 | | Manufacturer | HLZC | | Manufacturer | HLZC | | Material Type | Silicone | | Product Dimensions | 4.5 x 4.5 x 11.48 cm; 200 g | | Product Style | Modern | ## Product Details - **Brand:** HLZC - **Colour:** Blue - **Finish type:** Brushed - **Material:** Silicone - **Product dimensions:** 45W x 115H millimeters ## 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) ![Drain Backflow Preventer, One Way Valve, Adjustable Silicone Sink Floor Drain Trap for Pipes Tubes in Toilet Bathroom Kitchen (Blue-4) - Image 2](https://m.media-amazon.com/images/I/51GCnzX2OKS.jpg) ![Drain Backflow Preventer, One Way Valve, Adjustable Silicone Sink Floor Drain Trap for Pipes Tubes in Toilet Bathroom Kitchen (Blue-4) - Image 3](https://m.media-amazon.com/images/I/61Rf+niohxS.jpg) ![Drain Backflow Preventer, One Way Valve, Adjustable Silicone Sink Floor Drain Trap for Pipes Tubes in Toilet Bathroom Kitchen (Blue-4) - Image 4](https://m.media-amazon.com/images/I/51UMs+KL4OS.jpg) ![Drain Backflow Preventer, One Way Valve, Adjustable Silicone Sink Floor Drain Trap for Pipes Tubes in Toilet Bathroom Kitchen (Blue-4) - 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 ### ⭐ Unsatisfied Product *by J***A on 1 May 2025* Product is not suitable in my drainage ### ⭐⭐⭐⭐⭐ Review *by E***. on 3 November 2022* Se instala muy rápido ### ⭐⭐⭐⭐⭐ Review *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. ## 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.id/products/275870747-drain-backflow-preventer-one-way-valve-adjustable-silicone-sink-floor](https://www.desertcart.id/products/275870747-drain-backflow-preventer-one-way-valve-adjustable-silicone-sink-floor) --- *Product available on Desertcart Indonesia* *Store origin: ID* *Last updated: 2026-05-11*