Sure, based on the original title provided, here's a refined and simplified version focusing on the product keywords: *Dust Control Flex Cuff, 45° & 90° Elbow Connectors Set with Steel Clamps, 4 Inch**

Product 1 includes (2) Flexible Cuff Couplers with Steel Clamps, which provide a perfectly sealed, airtight connection between a pair of 4-inch OD dust collection equipment ports, pipes, or fittings. These reusable flex cuffs are easily installed and can be removed without the need for assorted screws or duct tape, making them user-friendly.

Product 2 includes (1) 4-Inch 45-Degree Elbow Dust Collection Fitting, which offers an airtight, 45-degree connection to work seamlessly with your 4-inch ID dust collection hose, pipes, and other fittings. This versatile product works exceptionally well with available woodworking tool dust collection ports, POWERTEC hoses, and attachments.

Product 3 includes (1) 4-Inch 90-Degree Elbow Dust Collection Fitting, which provides an airtight, 90-degree (right angle) connection to work seamlessly with your 4-inch ID dust collection hose, pipes, and other fittings. However, to fit or accommodate a 4-inch OD dust collection equipment port, a rubber coupling, like POWERTEC 70148, Dust Control Flex Cuff, will be required. This product is constructed with a rugged black material for long-term durability and is molded out of high-quality ABS to withstand the abrasive nature of common workshops and vacuum dust collector systems.

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