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.
Vaccinations. Puppies get their first set of vaccines at 6 to 8 weeks of age. The normal set of vaccines include distemper, measles and parainfluenza. Bordatella is optional but it's wise to opt for it so you can to take your puppy around other dogs with more confidence that he'll be protected against kennel cough.At the age of 7 to 8 weeks, about a week after the first set of vaccines, enroll your puppy in a carefully supervised puppy kindergarten class.The class facilitators should insist on seeing your puppy's vaccination record to date and proof that the dog does not have any external or internal parasites.t the age of 7 to 8 weeks, about a week after the first set of vaccines, enroll your puppy in a carefully supervised puppy kindergarten class. The class facilitators should insist on seeing your puppy's vaccination record to date and proof that the dog does not have any external or internal parasites.