Check the listing for details. Permobil Powerchair Unitrack Loop Compatible with F3, F5, M1, M3, and M5. Color: Black, Condition: New. Listed at 17.99 USD. Custom-designed Unitrack Loop Adapter, compatible with Permobil powerchair models F3, F5, M1, M3, and M5. This adapter ensures a secure and versatile attachment point for various accessories, providing enhanced functionality and adaptability to your powerchair. Ideal for users looking to expand the capabilities of their Permobil powerchair with a reliable and easy-to-install solution. Please note that I am not responsible if this adapter does not fit your powerchair model.Custom-designed Unitrack Loop Adapter, compatible with Permobil powerchair models F3, F5, M1, M3, and M5. This adapter ensures a secure and versatile attachment point for various accessories, providing enhanced functionality and adaptability to your powerchair. Ideal for users looking to expand the capabilities of their Permobil powerchair with a reliable and easy-to-install solution. Please note that I am not responsible if this adapter does not fit your powerchair model.