---
product_id: 89258804
title: "Drain Line Adapter (DLA) with 1/4-inch Quick Connect Fitting for Reverse Osmosis filter (ET112-001, 12-25QC, DLA-12)"
brand: "air gap international"
price: "418 kr"
currency: DKK
in_stock: true
url: https://www.desertcart.dk/products/89258804-drain-line-adapter-dla-with-1-4-inch-quick-connect
store_origin: DK
region: Denmark
---

# silent, gurgle-free operation 1/4-inch quick connect fitting easy, no-drill installation Drain Line Adapter (DLA) with 1/4-inch Quick Connect Fitting for Reverse Osmosis filter (ET112-001, 12-25QC, DLA-12)

**Brand:** air gap international
**Price:** 418 kr
**Availability:** ✅ In Stock

## Summary

> 🚰 Upgrade your RO system with silent, seamless drain connection!

## Quick Answers

- **What is this?** Drain Line Adapter (DLA) with 1/4-inch Quick Connect Fitting for Reverse Osmosis filter (ET112-001, 12-25QC, DLA-12) by air gap international
- **How much does it cost?** 418 kr with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.dk](https://www.desertcart.dk/products/89258804-drain-line-adapter-dla-with-1-4-inch-quick-connect)

## 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

- • **Locking Clip Security:** Prevents leaks and accidental disconnections with a reliable locking mechanism.
- • **No-Drill Installation:** Connects directly to sink drainpipe—no pipe modifications needed.
- • **Certified & Code-Ready:** UPC, IPC, and ASTM F 409 compliant for guaranteed safety and legality nationwide.
- • **Whisper-Quiet Drain Line:** Eliminates annoying gurgling sounds for a peaceful kitchen environment.
- • **Effortless 1/4-inch Quick Connect:** Push-in fitting ensures a secure, leak-proof connection without hassle.

## Overview

The ET112-001 Drain Line Adapter by AIR GAP INTERNATIONAL is a 1/4-inch quick connect fitting designed for reverse osmosis systems. It offers easy, no-drill installation directly to sink drainpipes, eliminates gurgling noise, and features a locking clip to prevent leaks. Certified to meet UPC, IPC, and ASTM standards, it ensures safe, code-compliant use in both residential and commercial settings.

## Description

Drain Line Adapter (DLA) with 1/4-inch Quick Connect Fitting for Reverse Osmosis filter (ET112-001, 12-25QC, DLA-12)

## 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 |
| Color | White |
| Item dimensions L x W x H | 2 x 1.5 x 4 inches |
| Connector Type | Tee |
| Exterior Finish | Brass |
| Thread Type | NPT |
| Number of Pieces | 1 |
| Manufacturer | AIR GAP INTERNATIONAL |
| UPC | 854628005646 |
| Part Number | ET112-001 |
| Item Weight | 2.89 ounces |
| Product Dimensions | 2 x 1.5 x 4 inches |
| Item model number | ET112-001 |
| Is Discontinued By Manufacturer | No |
| Style | drainline adapter |
| Usage | Commercial/Residential |
| Batteries Included? | No |
| Batteries Required? | No |

## Product Details

- **Size:** 1/4 inch
- **Material:** Plastic
- **Brand:** AIR GAP INTERNATIONAL
- **Color:** White
- **Item dimensions L x W x H:** 2 x 1.5 x 4 inches
- **Connector Type:** Tee
- **Exterior Finish:** Brass
- **Thread Type:** NPT
- **Number of Pieces:** 1
- **Manufacturer:** AIR GAP INTERNATIONAL

## Images

![Drain Line Adapter (DLA) with 1/4-inch Quick Connect Fitting for Reverse Osmosis filter (ET112-001, 12-25QC, DLA-12) - Image 1](https://m.media-amazon.com/images/I/618wlfPaJDL.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)

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**Shop now:** [https://www.desertcart.dk/products/89258804-drain-line-adapter-dla-with-1-4-inch-quick-connect](https://www.desertcart.dk/products/89258804-drain-line-adapter-dla-with-1-4-inch-quick-connect)

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*Product available on Desertcart Denmark*
*Store origin: DK*
*Last updated: 2026-02-07*