This circular self-adhesive ventilator Cat. No. 42642, once placed on the film, continuously renews the air in a boat or damp room.
 
This circular ventilation clip (Cat. No. 42642)enables you to take effective action against the continuous formation of damp, mould and odour, for applications such as containment and boat winter storage.
 
This product is sold in packs of 20, supplied in a plastic bag.
 
Cat. No. 42642 can be purchased directly on the Express Shrink Wrapping website.