CMP® 58307-280-220 280 Sand/Silt Velcro Bag with White Tube Clip for auto cleaner. This is a genuine OEM replacement for Polaris's 280 model cleaner. This replacement part meets factory standards quality. CMP is a leader in products for the recreational pool and spa industry. Innovative products from CMP include sanitizer systems, white goods, LED lighting, water features and accessories. CMP is committed to creating solutions for pool and spa industry professionals. Spa designers, pool builders, bath manufacturers and retail store owners around the world depend on CMP products, service and support.