The Miele Titan is a popular canister vacuum cleaner known for its powerful suction and efficient filtration system, which includes the use of vacuum bags. The lifespan of vacuum bags when used in a household with a dog can vary based on factors such as the size of the dog, shedding levels, frequency of vacuuming, and the type of debris being picked up. On average, when used in a household with a dog, Miele vacuum bags can last anywhere from 1 to 2 months before needing replacement. However, this estimate can vary. Dogs that shed heavily or have long fur might lead to faster bag filling. Larger breeds tend to shed more, which can result in more pet hair accumulating in the vacuum bag. Frequent vacuuming is recommended in homes with pets, especially those that shed, to prevent excessive hair and dander buildup. Regular vacuuming not only maintains cleaner floors but also helps extend the lifespan of the vacuum bag. If you vacuum less frequently, the bag might fill up quickly, leading to reduced suction performance. To optimize the lifespan of Miele vacuum bags, consider using the appropriate attachments for pet hair and dander, such as a turbo brush or a dedicated pet hair attachment. These tools are designed to effectively pick up and trap pet hair, preventing it from clogging the vacuum bag prematurely. Another tip is to periodically check the bag's fullness indicator if your Miele vacuum has one. This indicator provides a visual cue when the bag is nearing its capacity, helping you know when it's time for a replacement. Ultimately, the type of debris in your home, the size of your dog, and your cleaning habits all play a role in determining how long Miele vacuum bags will last. Regular maintenance, proper use of attachments, and consistent replacement of bags when needed will ensure optimal cleaning performance and maintain the indoor air quality in your home, especially when dealing with pet-related debris.