---
product_id: 33573131
title: "POWERTEC 70170 5” to 4” Reducer Dust Collection Fitting, ABS Plastic (Black)"
brand: "powertec"
price: "£12.87"
currency: GBP
in_stock: true
reviews_count: 8
url: https://www.desertcart.co.uk/products/33573131-powertec-70170-5-to-4-reducer-dust-collection-fitting-abs
store_origin: GB
region: United Kingdom
---

# Quick, seamless connection 5” to 4” precise reducer fit Durable ABS plastic build POWERTEC 70170 5” to 4” Reducer Dust Collection Fitting, ABS Plastic (Black)

**Brand:** powertec
**Price:** £12.87
**Availability:** ✅ In Stock

## Summary

> 🔗 Connect Like a Pro, Dust-Free Flow!

## Quick Answers

- **What is this?** POWERTEC 70170 5” to 4” Reducer Dust Collection Fitting, ABS Plastic (Black) by powertec
- **How much does it cost?** £12.87 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.co.uk](https://www.desertcart.co.uk/products/33573131-powertec-70170-5-to-4-reducer-dust-collection-fitting-abs)

## Best For

- powertec enthusiasts

## Why This Product

- Trusted powertec brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Effortless Installation:** Non-threaded tapered ends ensure fast, secure hookups—no tools or fuss required.
- • **Versatile Compatibility:** Works flawlessly with a wide range of dust collection systems, including planers, jointers, and the Super Dust Deputy.
- • **Rugged ABS Plastic Durability:** Engineered to withstand heavy workshop use with abrasion-resistant, lightweight material.
- • **Optimize Your Workshop Airflow:** Enhance dust extraction performance and keep your workspace cleaner and healthier.
- • **Precision Fit for Maximum Efficiency:** Seamlessly connects 5” main lines to 4” branch hoses without leaks or loss of suction.

## Overview

The POWERTEC 70170 5” to 4” Reducer Dust Collection Fitting is a high-quality ABS plastic adapter designed to connect 5-inch dust collection ports to 4-inch hoses. Its non-threaded, tapered design allows for quick, secure installation, making it ideal for optimizing dust extraction systems in woodworking environments. Lightweight yet durable, this fitting ensures efficient airflow and compatibility with various tools and dust collection accessories.

## Description

POWERTEC 70170 5” to 4” Reducer Dust Collection Fitting, ABS Plastic (Black)

## Features

- INCLUDES: 5 inch OD to 4 inch OD Reducer (black)
- FUNCTION: Allows seamless dust collector connections from 5” main line to 4” branch line and/or machines with 5” ID ports (or hoses) to 4” ID standard hoses
- APPLICATIONS: Ideal for optimizing the performance of your dust collection system and is compatible with an assortment of hoses, ducts, planers, jointers and other tools like the Super Dust Deputy
- BUILD: Featuring a non-threaded, all-black ABS plastic construction, this reducer fitting was designed for durability and made to withstand the wear and tear often associated with woodworking dust extraction
- SPECIFICATIONS: 4" OD tapered end to facilitate safe and secure connection with the dust collection hose; and 5" OD end with 4-57/64" outer diameter for quick and easy installation of 5"ID machine port

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Size | 5” to 4” |
| Material | ABS Plastic |
| Brand | POWERTEC |
| Color | Black |
| Item dimensions L x W x H | 4.8 x 5 x 5 inches |
| Connector Type | Reducer |
| Exterior Finish | Black |
| Thread Type | NPT |
| Item Weight | 0.35 Pounds |
| Number of Pieces | 1 |
| Global Trade Identification Number | 00709619853471 |
| Manufacturer | POWERTEC |
| UPC | 709619853471 |
| Model | POWERTEC 70170 5” to 4” Reducer Dust Collection Fitting, ABS Plastic (Black) |
| Item Weight | 5.6 ounces |
| Product Dimensions | 4.8 x 5 x 5 inches |
| Country of Origin | Taiwan |
| Item model number | 70170 |
| Is Discontinued By Manufacturer | No |
| Manufacturer Part Number | 70170 |

## Product Details

- **Size:** 5” to 4”
- **Material:** ABS Plastic
- **Brand:** POWERTEC
- **Color:** Black
- **Item dimensions L x W x H:** 4.8 x 5 x 5 inches
- **Connector Type:** Reducer
- **Exterior Finish:** Black
- **Thread Type:** NPT
- **Item Weight:** 0.35 Pounds
- **Number of Pieces:** 1

## Images

![POWERTEC 70170 5” to 4” Reducer Dust Collection Fitting, ABS Plastic (Black) - Image 1](https://m.media-amazon.com/images/I/41Whk0typVL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Excellent fitting upgrade for my Super Dust Deputy
*by W***T on June 16, 2022*

I installed a Super Dust Deputy Deluxe a couple months ago (4” inlet, 5” outlet, model just before Oneida’s recent design change) and used this to replace the 5-to-4 reducer it came with. The Powertec reducer is stronger, stiffer, and has longer flanges. It fit maybe just a tad looser in the outlet opening than the cheap one supplied with the Dust Deputy, but since it was going to be caulked in anyway, it didn’t matter. A bead of silicone caulk around the 5” opening end and another just below the midpoint lip in the fitting and it’s solid as a rock in the Dust Deputy outlet opening. No issues getting my 4” hose to the fan inlet onto the fitting. Really satisfied and glad I upgraded the original reducer.

### ⭐⭐⭐⭐⭐ Fit was exactly what I was looking for
*by W***G on February 23, 2024*

Used this adapter to adapt a 5" filter opening to my 4" dust collector hose. The fit was very good and the materials used seem nicely robust.

### ⭐⭐⭐⭐⭐ Works perfect for reducing 5” flex hose to 4” DWV PVC
*by D***K on March 29, 2021*

Worked perfect for reducing the 5” flex hose running from the intake on my dust collector to the 4” DWV PVC I have run throughout my wood shop. Noticed a major improvement in suction throughout the shop as compared to using the 5” to 4” Y adapter that came with the dust collector that went on the intake.

## Frequently Bought Together

- POWERTEC 70170 5” to 4” Reducer Dust Collection Fitting, ABS Plastic (Black)
- POWERTEC 70260 4 Inch Key Hose Clamp, Thumb Screw Key Adjustable Stainless Steel Hose Clamps for Dust Collection, Dust Collector and Dryer Vent Hose, Pipe Clamp, RV Clamp, Worm Gear Clamp, 10 pack
- 5" x 10' Heavy PVC Dust Collection Hose, Puncture Resistant PVC Dust Collection Hose, Flexible Clear PVC Fume Collection Hose with Carbon Steel Wire Coil for dust collection systems

---

## 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.co.uk/products/33573131-powertec-70170-5-to-4-reducer-dust-collection-fitting-abs](https://www.desertcart.co.uk/products/33573131-powertec-70170-5-to-4-reducer-dust-collection-fitting-abs)

---

*Product available on Desertcart United Kingdom*
*Store origin: GB*
*Last updated: 2026-05-15*