- Wide Compatibility: Our vacuum attachments work with most vacuum cleaners using the included universal vacuum adapter kit. Note: Not compatible with shop vac accessories that have a 2 1/4 inch inner diameter. The kit features adapters for various sizes, including 2 1/2" to 1 1/4" and 1 7/8" to 1 3/8", ensuring you have the right fit for your cleaning needs. - Versatile Cleaning: The 12-inch wide vacuum brush attachment features a 360-degree swivel head, making it ideal for cleaning wood floors, tiles, leather furniture, walls, and ceilings. The round horsehair brush is designed for hard surfaces like countertops and dusting tables. The removable utility nozzle and upholstery tool are gentle on soft or uneven surfaces, perfect for curtains, sofas, and delicate lighting fixtures. - Effective for Tight Spaces: The crevice tool with a flat head is essential for reaching dust and fine particles in narrow gaps and corners, such as dryer vents, car interiors, and sofa edges. These handy tools enhance your cleaning efficiency in hard-to-reach areas. - Universal Vacuum Adapter Kit: This five-layer universal vacuum adapter can be easily cut to fit various sizes, accommodating inner diameters of 1" (25.4mm), 1 1/4" (32mm), 1 3/8" (35mm), 1 1/2" (39mm), and 1 7/8" (49mm). The 2 1/2" to 1 1/4" vacuum hose adapter allows for the use of all 1 1/4" attachments with a 2 1/2" vacuum cleaner. The large end measures 2.44" OD and 2.26" ID, while the small end measures 1.18" OD and 1" ID. This vacuum attachment kit ensures you can tackle a wide range of cleaning tasks effectively and efficiently, making it a valuable addition to your cleaning arsenal.