Ideal for new construction or as replacement shutters, Double L's easy to snap together PVC Fan Shutters are constructed of heavy-duty, non-corrosive PVC that handles even the harshest of environments. Custom-made to specifications, Double L's snap together PVC Fan Shutter is low maintenance, can withstand heavy pressure washing, and is simple to repair. All parts are replaceable. Fully tested as described by the Air Movement and Control Association, Double L's Custom Snap Together PVC Fan Shutters are manufactured to ISO9001 standards.
Double L PVC Fan Shutters have the option of being custom made with connecting tie bars that add up to 8% more performance at .05 static pressure. Connecting bars also eliminate shutter flutter - blades flying up and locking open.