I purchased these two items for cleaning even the upper level of superliners - https://www.amazon.com/gp/product/B07812V46F/ref=ppx_yo_dt_b_asin_title_o04_s00?ie=UTF8&psc=1 and Amazon.com: Additional Extension Pole Sections for Modern Domus Neverending Reach Squeegee Window Cleaner Kit | Set of...