--- product_id: 413028859 title: "1/4″ Quick Connect Push-In Inlet Reverse Osmosis Drain Line Adapter (ET112-001, 12-25QC, DLA-12)" brand: "air gap international" price: "1557 zł" currency: PLN in_stock: true url: https://www.desertcart.pl/products/413028859-1-4-quick-connect-push-in-inlet-reverse-osmosis-drain store_origin: PL region: Poland --- # Silent, gurgle-free operation 1/4-inch push-in quick connect Tool-free, no-drill installation 1/4″ Quick Connect Push-In Inlet Reverse Osmosis Drain Line Adapter (ET112-001, 12-25QC, DLA-12) **Brand:** air gap international **Price:** 1557 zł **Availability:** ✅ In Stock ## Summary > 🔗 Connect smart, live clean—upgrade your RO drain game! ## Quick Answers - **What is this?** 1/4″ Quick Connect Push-In Inlet Reverse Osmosis Drain Line Adapter (ET112-001, 12-25QC, DLA-12) by air gap international - **How much does it cost?** 1557 zł with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.pl](https://www.desertcart.pl/products/413028859-1-4-quick-connect-push-in-inlet-reverse-osmosis-drain) ## Best For - air gap international enthusiasts ## Why This Product - Trusted air gap international brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **No-Drill Installation:** Protect your pipes and install in minutes without any drilling. - • **Certified Peace of Mind:** UPC & IPC listed, ASTM F 409 compliant for guaranteed safety and code compliance. - • **Leak-Proof Locking Clip:** Secure your connection with a locking clip that prevents accidental disconnections. - • **Whisper-Quiet Drain Line:** Say goodbye to annoying gurgles—enjoy peaceful water filtration. - • **Effortless 1/4" Quick Connect:** Snap in your RO tubing with zero hassle and zero leaks. ## Overview The ET112-001 is a 1/4-inch push-in quick connect drain line adapter designed for reverse osmosis systems. It enables easy, tool-free installation without drilling, eliminates gurgling noises, and features a locking clip to prevent leaks. Certified to meet UPC, IPC, and ASTM F 409 standards, it ensures safe, reliable, and code-compliant RO drain connections for both residential and commercial use. ## Description The ET112-001 is a reverse osmosis water filter drain line adapter. It is designed to connect discharge 1/4-inch tubing from a RO filter to the drain. The ET112-001 is connected to the sink drainpipe to receive the reject water from an under-counter reverse osmosis appliance or a distillation system. The installation provides a reliable and trouble-free connection of the 1/4-inch discharge water tubing to the drain line. The ET112-001 is designed for residential and commercial use. The ET112-001 is the preferred way to connect RO system to the drain line. The ET112-001 eliminates gurgling sound and provides a safe and effective way to comply with all local plumbing codes. The ET112-001 drain adapter is UPC and IPC listed. ## Features - ❤ SIMPLE INSTALLATION: The ET112-001 is designed for connecting discharge 1/4-inch tubing from a reverse osmosis (RO) filter to the drain. Its 3-way repair tee directly connects to the sink drainpipe. Its drain line adapter with a 1/4-inch push-in connector accommodates a 1/4-inch OD RO poly tubing. The ET112-001 resists clogging for lifelong operation. The recommended installation of the ET112-001 is vertical. - ❤ DRAIN LINE CONNECTION: The ET112-001 enables the connection of the RO water filter to the drain. Installing the ET112-001 is simple as does not require drilling into wet pipes. It also comes with all the fittings and instructions needed for installation. - ❤ QUIET OPERATION: The ET112-001 eliminates gurgling noise from RO system. - ❤ DRY OPERATION: The ET112-001 has a locking clip for 1/4-inch quick connect to prevent leaks and accidental disconnection of the tube. The locking clip is fitted around the 1/4-inch quick connect push-in connector. - ❤ CERTIFICATION: The ET112-001 is legal to install in any state. It is UPC (Uniform Plumbing Code) and IPC (International Plumbing Code) listed, and ASTM F 409 compliant. These certifications assure that ET112-001 is safe to use. The testing is conducted for every manufactured lot to ensure consistent performance. ## Technical Specifications | Specification | Value | |---------------|-------| | Size | 1/4 inch | | Material | Plastic | | Brand | AIR GAP INTERNATIONAL | | Colour | White | | Item dimensions L x W x H | 5.1 x 3.8 x 10.2 Centimeters | | Connector Type | Adapter | | Thread Size | 0.25 inch | | Exterior Finish | Brass | | Thread Type | NPT | | Number of Pieces | 1 | | Manufacturer | AIR GAP INTERNATIONAL | | UPC | 854628005646 | | Item model number | ET112-001 | | Product Dimensions | 5.08 x 3.81 x 10.16 cm; 82 g | | ASIN | B07B43RD9L | ## Product Details - **Size:** 1/4 inch - **Material:** Plastic - **Brand:** AIR GAP INTERNATIONAL - **Colour:** White - **Item dimensions L x W x H:** 5.1 x 3.8 x 10.2 Centimeters - **Connector Type:** Adapter - **Thread Size:** 0.25 inch - **Exterior Finish:** Brass - **Thread Type:** NPT - **Number of Pieces:** 1 ## Images ![1/4″ Quick Connect Push-In Inlet Reverse Osmosis Drain Line Adapter (ET112-001, 12-25QC, DLA-12) - Image 1](https://m.media-amazon.com/images/I/618wlfPaJDL.jpg) ![1/4″ Quick Connect Push-In Inlet Reverse Osmosis Drain Line Adapter (ET112-001, 12-25QC, DLA-12) - Image 2](https://m.media-amazon.com/images/I/613wyuVQDlL.jpg) ![1/4″ Quick Connect Push-In Inlet Reverse Osmosis Drain Line Adapter (ET112-001, 12-25QC, DLA-12) - Image 3](https://m.media-amazon.com/images/I/71agiZAiijL.jpg) ![1/4″ Quick Connect Push-In Inlet Reverse Osmosis Drain Line Adapter (ET112-001, 12-25QC, DLA-12) - Image 4](https://m.media-amazon.com/images/I/71gr3AxIMgL.jpg) ![1/4″ Quick Connect Push-In Inlet Reverse Osmosis Drain Line Adapter (ET112-001, 12-25QC, DLA-12) - Image 5](https://m.media-amazon.com/images/I/71sOexbhyML.jpg) ## Questions & Answers **Q: Can this adapter be installed horizontally near the outlet of the garbage disposal?** A: No, It probably should not be installed this way. Installing vertically above the p-trap is the best option. **Q: Does this item hook up to 1 1/2” pipe?** A: it does not fit a PVC or ABS 1 1/2" pipe you will need to get the 1 1/2" sink kit cut those and modify it that way. **Q: Does this item have a check valve to prevent backflow?** A: no. ## Frequently Bought Together - Drain Line Adapter (DLA) with 1/4-inch Quick Connect Fitting for Reverse Osmosis filter (ET112-001, 12-25QC, DLA-12) - Drain Line Adapter (DLA) With 1/4-inch Quick Connect Fitting for a Water Filter and 7/8-inch Fitting for a Dishwasher (ET116-001, D-25QC, DLA-D) - Drain Line Adapter (DLA) with 1/4-inch Quick Connect Fitting (ET109-001, 9-25QC, DLA-9) --- ## 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.pl/products/413028859-1-4-quick-connect-push-in-inlet-reverse-osmosis-drain](https://www.desertcart.pl/products/413028859-1-4-quick-connect-push-in-inlet-reverse-osmosis-drain) --- *Product available on Desertcart Poland* *Store origin: PL* *Last updated: 2026-04-23*