--- product_id: 276877278 title: "Drain Backflow Preventer, One Way Valve, Adjustable Silicone Sink Floor Drain Trap for Pipes Tubes in Toilet Bathroom Kitchen (Blue-10)" brand: "hlzc" price: "₩71014" currency: KRW in_stock: true url: https://www.desertcart.kr/products/276877278-drain-backflow-preventer-one-way-valve-adjustable-silicone-sink-floor store_origin: KR region: South Korea --- # Fits 1.5"-1.75" pipes Tool-free plug & play install Anti-odor silicone seal Drain Backflow Preventer, One Way Valve, Adjustable Silicone Sink Floor Drain Trap for Pipes Tubes in Toilet Bathroom Kitchen (Blue-10) **Brand:** hlzc **Price:** ₩71014 **Availability:** ✅ In Stock ## Summary > 🚿 Keep your drains fresh and your space flawless—no odors, no stress! ## 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-10) by hlzc - **How much does it cost?** ₩71014 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.kr](https://www.desertcart.kr/products/276877278-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 - • **Secure & Reliable:** Includes adapter and retainer rings to prevent slipping or falling into pipes. - • **Effortless Installation:** Plug-and-play design means zero plumbing hassle or modifications. - • **Customizable Drainage Speed:** Trim the silicone base for faster drainage tailored to your needs. - • **Odor Blocker Extraordinaire:** Silicone valve locks out foul smells while letting water flow freely. - • **Universal Fit for Standard Pipes:** Seamlessly fits 1.5" to 1.75" drain pipes—no guesswork needed. ## Overview The HLZC Drain Backflow Preventer is a modern silicone one-way valve designed for 1.5" to 1.75" pipes. It installs easily without tools, prevents unpleasant odors from escaping drains, and ensures smooth water flow. Its adjustable silicone base allows customization for optimal drainage speed, making it perfect for bathrooms, kitchens, basements, and laundry areas. Included adapters and retainer rings guarantee a secure, slip-free fit. ## 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. - 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 | |---------------|-------| | Manufacturer | HLZC | | Part number | 1 | | Item Weight | 200 g | | Product Dimensions | 4.5 x 4.5 x 11.48 cm; 200 g | | Item model number | 1 | | Color | Blue--10 | | Style | Modern | | Finish | Brushed | | Material | Silicone | | Installation Method | Floor-Mounted | | Item Package Quantity | 1 | | Special Features | Anti-Odor, Secure Fit | | Included components | NO | | Batteries Included? | No | | Batteries Required? | No | ## Product Details - **Brand:** HLZC - **Colour:** Blue--10 - **Material:** Silicone - **Finish type:** Brushed - **Special features:** Anti-Odor, Secure Fit ## Images ![Drain Backflow Preventer, One Way Valve, Adjustable Silicone Sink Floor Drain Trap for Pipes Tubes in Toilet Bathroom Kitchen (Blue-10) - Image 1](https://m.media-amazon.com/images/I/71jWMWE300L.jpg) ## Available Options This product comes in different **Color** options. ## Frequently Bought Together - HLZC Drain Backflow Preventer, One Way Valve, Adjustable Silicone Sink Floor Drain Trap for Pipes Tubes in Toilet Bathroom Kitchen (Blue-10) - Shower Drain Floor Drain Backflow Preventer Magnetic Levitation One-Way Drain Valve Fast Drainage Shower plug Insert Drain Plug Fit for Tube Depth 2.56-4.13in (Caliber（2-3.9in）,Depth 3,15in) - IMIKEYA 2PCS Shower Floor Drain Backflow Preventer Sewer Core Anti-Odor Plug for Kitchen Bathroom 2.56x2.16x1.42inch --- ## 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.kr/products/276877278-drain-backflow-preventer-one-way-valve-adjustable-silicone-sink-floor](https://www.desertcart.kr/products/276877278-drain-backflow-preventer-one-way-valve-adjustable-silicone-sink-floor) --- *Product available on Desertcart South Korea* *Store origin: KR* *Last updated: 2026-05-14*