Blockfly Bilaterale is the perfect insect screen for large windows and sliding risers. Only 22 mm thick, this model features dual movement that can cover up to 7.5 square meters. The Bilaterale can be fitted with floor-level track from 4 to 8 mm, and it is available in all DFM’s profile and net colours. It is easy and quick to assemble, thanks to DFM’s well-known tuners for cord adjustment.