Compatible with MaxxAir Fan or Fantastic Fan 16.5″ x 16.5″ flanges
Made with 5.0mm double foiled aluminum PE insulation which reflects up to 97% of radiant heat
Uses powerful N48 Neodymium magnets to hold in place
Made from 100% recycled PET plastic bottle fabric. Storage sack included
SOME ASSEMBLY REQUIRED TO INSTALL MAGNETS. NOTE: If your fan is shallow mounted (where the opening knob hangs lower than the roof line), our cover will not work as our it needs the full surface to seal/attach against.