--- product_id: 242079799 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: "SAR 151" currency: SAR in_stock: true category: "Hlzc" url: https://www.desertcart.com.sa/products/242079799-drain-backflow-preventer-one-way-valve-adjustable-silicone-sink-floor store_origin: SA region: Saudi Arabia --- # Eco-friendly 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:** SAR 151 **Availability:** ✅ In 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?** SAR 151 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.com.sa](https://www.desertcart.com.sa/products/242079799-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 - • **Trim-to-Fit Design:** Easily customize length by trimming the silicone base for faster drainage and a flawless fit. - • **Built to Bend, Not Break:** Premium silicone construction offers unmatched flexibility and durability—no deformation, no leaks. - • **Universal Fit, Zero Hassle:** Adjustable rings ensure perfect seal for 1.5" to 1.75" pipes—no guesswork, just plug & play. - • **Odor? Blocked. Freshness? Unlocked.:** Automatic shut-off valve stops sewer gases dead in their tracks, keeping your space smelling pristine. - • **Versatile Installation, Instant Upgrade:** Ideal for toilets, kitchens, basements, and laundry drains—upgrade your home’s hygiene in minutes. ## Overview The HLZC Adjustable Silicone Drain Backflow Preventer is a versatile, eco-friendly plumbing solution designed to fit standard 1.5" to 1.75" pipes. Featuring a smart automatic shut-off valve, it effectively blocks sewer backflow and odors while allowing smooth drainage. Made from durable, flexible silicone with adjustable rings and a trim-to-fit base, it installs easily in bathrooms, kitchens, basements, and laundry areas to maintain a fresh, odor-free environment. ## 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 ## 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 | | Best Sellers Rank | 227,233 in DIY & Tools ( See Top 100 in DIY & Tools ) 673 in Bathroom Sink Taps | | Brand Name | HLZC | | Colour | Blue | | Compatible Groove Diameter | 4 Centimeters | | Customer Reviews | 4.0 4.0 out of 5 stars (740) | | Finish Type | Brushed | | Global Trade Identification Number | 06221243457657 | | Included Components | NO | | Item Dimensions W x H | 45W x 115H millimetres | | Item Weight | 200 Grams | | Manufacturer | HLZC | | Manufacturer Part Number | 4 | | Material Type | Silicone | | Model Number | 4 | | Number of Items | 10 | | Number of Packs | 4 | | Product Style | Modern | | Special Features | Adjustable | | Unit Count | 4.0 count | ## Product Details - **Brand:** HLZC - **Colour:** Blue - **Finish type:** Brushed - **Material:** Silicone - **Product dimensions:** 45W x 115H millimetres ## 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/410zfaCKc0S.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/41UaO-5oEgS.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/41RFpD1o9LS.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/41JRcNkxVwS.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.com.sa/products/242079799-drain-backflow-preventer-one-way-valve-adjustable-silicone-sink-floor](https://www.desertcart.com.sa/products/242079799-drain-backflow-preventer-one-way-valve-adjustable-silicone-sink-floor) --- *Product available on Desertcart Saudi Arabia* *Store origin: SA* *Last updated: 2026-09-20*