For Dryer Vent Offsets Ranging from 0-3" Center to Center: Designed to solve tight laundry room clearances, this magnetic vent coupling handles center-to-center offsets up to 3 inches, allowing you to push the dryer closer to the wall while maintaining a safe, efficient airflow path. Utilizes 12" of Zero Flame Spread, UL 2158A Approved Dryerflex Transition Hose: Integrated 12-inch Dryerflex section combines flexibility with robust safety, featuring a zero flame spread rating and UL 2158A approval to help reduce fire risk while withstanding high dryer temperatures and repeated use. Strong Magnets Self-Align & Attach Dryer Hose to Standard 4-Inch Wall Vent: Powerful, embedded magnets pull the dryer connection into perfect alignment, automatically securing the hose to a standard 4" wall vent, reducing crush points, air leaks, and the struggle of traditional clamp-style connections. Easy, Solid Installs that Boost Dryer Efficiency & Safety: The magnetic coupling design simplifies installation, minimizes kinks and restrictions, and promotes smoother airflow, which can shorten drying times, reduce lint buildup, and support safer, more energy-efficient dryer operation over time. Dryer Side Union Comes with 12" of Pre-Attached Transition Hose to Handle Up to a 3" Center to Center Offset: Pre-attached 12-inch transition hose on the dryer side eliminates guesswork and cutting, flexing easily to accommodate offsets up to 3 inches while maintaining a secure, code-conscious venting connection. Color: As Shown Material: Metal Package Contents: 1*Dryer exhaust connector Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.