--- product_id: 59053357 title: "POWERTEC 70145 4-Inch to 3-Inch Reducer" brand: "powertec" price: "6299 som" currency: KGS in_stock: true category: "Powertec" url: https://www.desertcart.kg/products/59053357-powertec-70145-4-inch-to-3-inch-reducer store_origin: KG region: Kyrgyzstan --- # Optimizes airflow velocity 4-inch to 3-inch precise fit Heavy-duty ABS plastic durability POWERTEC 70145 4-Inch to 3-Inch Reducer **Brand:** powertec **Price:** 6299 som **Availability:** βœ… In Stock ## Summary > πŸ”— Connect with confidence β€” the ultimate dust collection upgrade you didn’t know you needed! ## Quick Answers - **What is this?** POWERTEC 70145 4-Inch to 3-Inch Reducer by powertec - **How much does it cost?** 6299 som with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.kg](https://www.desertcart.kg/products/59053357-powertec-70145-4-inch-to-3-inch-reducer) ## 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 - β€’ **Built to Last:** Crafted from premium ABS plastic to resist abrasion, rust, and corrosion in demanding workshop environments. - β€’ **Quick & Secure Fit:** 4-inch OD end and tapered 3-inch port ensure a snug, clamp-ready connection every time. - β€’ **Compact & Lightweight:** Weighing just 95g with a sleek profile, it integrates smoothly without adding bulk. - β€’ **Seamless Size Transition:** Effortlessly connect 4-inch hoses to 3-inch ducts for versatile dust collection setups. - β€’ **Enhanced Airflow Efficiency:** Tapered port design boosts air velocity exactly where your machine needs it most. ## Overview The POWERTEC 70145 4-Inch to 3-Inch Reducer is a precision-engineered dust collection adapter made from heavy-duty ABS plastic. Designed to connect standard 4-inch OD hoses to 3-inch ID dust collection lines, it features a tapered port for a secure fit and enhances airflow velocity near your woodworking machine. Durable, lightweight, and easy to install, this reducer is a must-have for professionals seeking efficient, long-lasting dust management solutions. ## Description This dust collection fitting allows you to connect a 3-inch ID opening to 4-inch flexible hose and/or transition a 3-inch ID opening to 4-inch ID standard hose. It’s easy to use and offers a secure, quick attachment to your dust collector hose. It’s ideal for increasing air velocity near the machine where it's needed most. Additionally, it features a tapered port on one side that fits inside most 3" dust collection hose. Heavy Duty Quality We make our reducers utilizing premium ABS plastic material, which provides long-term durability with resistance to rust and corrosion. It’s thick walls are intended to stand up to hose clamp pressure and the abrasive nature of woodworking and workshop dust collection. Specifications Color: Black Material: ABS Plastic 4-Inch Nominal End Measures: 3-15/16-inch outer diameter by 3-45/56-inch inner diameter 3-Inch Nominal End Measures: 2-63/64-inch outer diameter by 2-23/32-inch inner diameter POWERTEC is a leading manufacturer of high quality wood work accessories, sanding discs and an assortment of OEM replacement parts. We are committed to exceeding expectations, while bringing the latest innovations, technology, and product development to the industry. ## Features - INCLUDES: 4 inch to 3 inch dust collection reducer (1pc) - FUNCTION: This dust collector attachment possesses a 4-inch OD end that connects to standard 4-inch ID dust collection hose and allows you to step down to a 3 inch dust collection hose or line branch. Note: to connect to other 4” OD ports or adapters, a 4”flex cuff, POWERTEC 70149, will be needed. - EASY TO USE: Offers a 4” OD profile with tapered port on one side, fits inside most 3" dust collection hose - PREMIUM QUALITY: Made with heavy duty ABS plastic material for long-term durability and made to withstand the abrasive nature of woodworking and workshop dust collection - DIMENSIONS: 4-Inch o.d nominal end | 3-Inch o.d nominal end.Connect 3-Inch opening duct to 4-Inch flexible hose.Transition 3-Inch duct to 4-Inch standard hose.Tough, durable ABS plastic material.4-Inch nominal end measures 3-15/16-Inch O.D. and 3-45/56-Inch I.D..3-Inch nominal end measures 2-63/64-Inch O.D. and 2-23/32-Inch I.D. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B00M3IT378 | | Best Sellers Rank | 487,368 in DIY & Tools ( See Top 100 in DIY & Tools ) 1,849 in Vacuum & Dust Collector Accessories | | Brand | POWERTEC | | Colour | Black | | Connector Type | Reducer | | Customer Reviews | 4.5 4.5 out of 5 stars (886) | | Exterior Finish | ABS | | Global Trade Identification Number | 00736815005960 | | Included Components | 4-Inch to 3-Inch Reducer | | Item Dimensions | 10.5 x 10.5 x 8.7 centimetres | | Item Type Name | POWERTEC 70145 4-Inch to 3-Inch Reducer | | Item Weight | 95 g | | Manufacturer | Southern Technology LLC | | Material | ABS plastic | | Model Number | 70145 | | Number of Packs | 1 | | Number of Pieces | 1 | | Part Number | 70145 | | Size | 1 Count (Pack of 1) | | Thread Size | 3 inches | | Thread Type | Metric Tapered | | UPC | 736815005960 | | Unit Count | 1.0 count | ## Product Details - **Brand:** POWERTEC - **Colour:** Black - **Connector type:** Reducer - **Exterior finish:** ABS - **Item dimensions L x W x H:** 10.5 x 10.5 x 8.7 centimetres - **Item weight:** 95 g - **Material:** ABS plastic - **Size:** 1 Count (Pack of 1) - **Thread size:** 3 inches - **Thread type:** Metric Tapered ## Images ![POWERTEC 70145 4-Inch to 3-Inch Reducer - Image 1](https://m.media-amazon.com/images/I/51bbjT1EtkS.jpg) ![POWERTEC 70145 4-Inch to 3-Inch Reducer - Image 2](https://m.media-amazon.com/images/I/31GwRf3OrvS.jpg) ![POWERTEC 70145 4-Inch to 3-Inch Reducer - Image 3](https://m.media-amazon.com/images/I/21YEsJQB6sS.jpg) ![POWERTEC 70145 4-Inch to 3-Inch Reducer - Image 4](https://m.media-amazon.com/images/I/21pgKRYKKlS.jpg) ![POWERTEC 70145 4-Inch to 3-Inch Reducer - Image 5](https://m.media-amazon.com/images/I/41BSbHUFBAS.jpg) ## Available Options This product comes in different **Style** options. ## Questions & Answers **Q: What is the ID of the 3inch side?** A: I bought this for my grizzly shaper with a 3" dust port. the 3" end is the same OD as the shaper. What I had to buy was a 3" x 6" piece of dust collector hose. I think Rockler sells it. Good luck. **Q: I need a 2.75 Outer diameter to 4”.. will this fitting work?** A: Read the specs carefully. It is designed to connect 4" to 3" dia hose. ## Frequently Bought Together - POWERTEC 70145 4-Inch to 3-Inch Reducer - Daisypower Dryer Vent Window Kit, Adjustable Window Vent Kit with Outdoor Dryer Vent Cover,4 Inch Hood for Exhaust Ventilation - VIVOSUN D4 4 Inch 195 CFM Inline Duct Ventilation Fan HVAC Vent Blower for Hydroponics Grow Tent --- ## Why Shop on Desertcart? - πŸ›’ **Trusted by 1.3+ Million Shoppers** β€” Serving international shoppers since 2016 - 🌍 **Shop Globally** β€” Access 737+ million products across 21 categories - πŸ’° **No Hidden Fees** β€” All customs, duties, and taxes included in the price - πŸ”„ **15-Day Free Returns** β€” Hassle-free returns (30 days for PRO members) - πŸ”’ **Secure Payments** β€” Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** β€” Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.kg/products/59053357-powertec-70145-4-inch-to-3-inch-reducer](https://www.desertcart.kg/products/59053357-powertec-70145-4-inch-to-3-inch-reducer) --- *Product available on Desertcart Kyrgyzstan* *Store origin: KG* *Last updated: 2026-08-24*