POWERTEC 70145 4-Inch to 3-Inch Reducer

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.

• 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.
• APPLICATION: Designed for dust collection systems. Also suitable for dryer vents and laser engravers when exhaust temperatures remain within the ABS material’s recommended range (up to 176°F / 80°C).
• PREMIUM QUALITY & EASY TO USE: Made with heavy-duty ABS plastic for long-term durability and features a 4” OD profile with a tapered port on one side that fits inside most 3” dust collection hoses.
• DIMENSIONS: 4-Inch O.D nominal end (measures 3-15/16”) | 3-Inch O.D nominal end (measures 2-31/32”)