Model DFD-M150 is approved for use in walls, floors and. partitions with fire resistance ratings less than 3 hours. This model carries a 11/2 hour UL fire damper label. UL. 555 classifies dynamic rated fire dampers for use in HVAC. systems that are operational in the event of fire.
1 Puppies can receive the injectable vaccine starting at 6 to 8 weeks of age, followed by a booster between 10 and 12 weeks of age. 2  For adult dogs or puppies older than 16 weeks, the intranasal vaccine can be given once, and the injectable vaccine should be given twice, two to four weeks apart.ordetella bronchiseptica is a bacterium commonly associated with respiratory disease in dogs. It can also infect cats, rabbits and, in rare cases, humans. It is one of the more common bacterial causes of canine infectious tracheobronchitis, which is also sometimes called kennel cough.
Signs and symptoms Any dog can get kennel cough, but puppies and unvaccinated dogs are at a greater risk. Kennel cough causes a persistent, nonproductive cough that may sound as if something is caught in your petâs throat and they are gagging or trying to clear their throat. Others describe it as a deep honking cough. Symptoms ususally develop three to ten days after exposure to an infected animal. Animals with kennel cough will otherwise act and eat normally. Exercise or getting excited can make symptoms worse. Diagnosis If you think your dog has kennel cough, see your veterinarian as soon as possible. Because there's no specific test for kennel cough, it's a diagnosis of