Essegi is DFMâs insect screen with pleated net that comes in a pre-assembled kit for vertical opening. The patented BlockFly system ensures continuous operation in time, taking up only *2 mm of space. The colour range was put together by the Designer Lucia Di Francesco, and will let you choose from **0 profile/net combinations! Moreover, DFMâs pleated net offers important qualities: it has obtained certifications such as 2nd category for wind resistance, energy savings and soundproofing of background noise, it is available in *0 colours and in the special metallized and anti-pollen versions, and it can be easily disassembled and washed. Unlike spring-operated insect screens, pleated insect screens always work, even after they have not been used for a long time, as there are no mechanisms or boxes.