Unger Hydropower Filter Large 24 Litres - Pure Water Window Cleaning. The item "Unger Hydropower Filter Large 24 Litres Pure Water Window Cleaning" is in sale since Thursday, June 4, 2020. This item is in the category "Home, Furniture & DIY\Household & Laundry Supplies\Cleaning Tools\Squeegees & Window Cleaning". The seller is "paulagreen-x2012" and is located in Manchester, Lancashire. This item can't be shipped, the buyer must pick up the item.