Our 2” Flanders Precisionaire Hammock Rolls Are Only Available in Spun Glass. They Are A Replacement For Air Conditioning and Furnace Filters. These Hammock Roll Media Filters Are 20 Foot in Length and Cut In Various Widths. A Single Cut Across The Roll Will Produce A Ready-To-Use Filter Pad. These Hammock Rolls Are Packaged In A Handy Box That Can Be Used As A Dispenser. Also Available In 1” Sizes.