Vesda - VLF-500-SIE referenced smoke alarm product produced by high technology. VLF-500-SIE became irreplaceable of foundations. VLF-500-SIE referenced product which is satisfy the customer's needs, offers advantages of quality and cost. Thanks to our large disturbiton network, we offer door delivery in most suitable conditions. VLF-500-SIE referenced product is an original piece of your foundation or machine, original parts makes your machine live longer.