- Efficient Dust Removal: These filter bags are made from durable materials designed for long-lasting use. They effectively empty the vacuum tank without releasing harmful dust into the environment, ensuring an efficient and eco-friendly cleaning experience. - Easy Replacement: Maintenance is straightforward with these filter bags. They can be easily removed and replaced as part of your regular upkeep. Their multi-layer microfiltration construction effectively captures fine dust, keeping your surroundings clean and dust-free. - Compatible and Versatile: Designed to fit a range of vacuum models, including FBV 20, FBV 25/35, FB 25/32/35, FBV 45-55, FBV40, FBV50, and FBV55 (435039 / for NSG/NTS series + HS/GS/AS series), these filter bags provide broad compatibility with various vacuum cleaners. - Generous Capacity and Ideal Dimensions: With a capacity of up to 55 liters, these filter bags offer ample space for dust collection. The dimensions (L x W x H): 81 x 51 cm, along with a 67 mm diameter hole sealed with a plastic membrane, ensure a secure fit for effective filtration. - Practical Use Cases: Perfect for home cleaning, these filter bags are ideal for regular household vacuuming, workshops, or commercial spaces where dust control is crucial. They are designed to maintain optimal vacuum performance while enhancing air quality in your environment.