by Fan tech — Your Ventilation Solutions Company Installation Instructions for Model DBL Secondary Dryer Lint Trap READ AND SAVE THESE INSTRUCTIONS INSTALLATION: The DBL i8 a Secondary Dryer Lint Trap used when installing a Fan tech Dryer Booster Fan less than the recommended distance of 15 feet from the back of the dyer. + The Lint Trap must be installed so it is easily accessible to the dryer user. « Iris recommended that the dryer user inspect for lint accumulation prior fo operation of the dryer.