vhbw - the clever way High-quality, precision-fit HEPA filter for air purifiers - Ideal for allergy sufferers - Carefully selected materials for top filtration performance Our vhbw HEPA filters extract the tiniest dust particles & impurities, such as household dust or pollen, from the air. Their enlarged surface area enables them to filter out pollutants and even odours more thoroughly. The result is a more pleasant indoor environment and higher air quality. HEPA filters are disposable and should be replaced every 6 - 12 months. CONTENT OF DELIVERY: - 4x HEPA filter TECHNICAL DETAILS: - External diameter: 20.4 cm - Height: 21 cm - Particle filter classification: H12 - Weight: 570 g - Colour: grey with black plastic frame - Replacement cycle: every 6 - 12 months COMPATIBLE WITH Leitz TruSens Z-3000, Z-3500 REPLACEMENT FOR 5028252599863, 68107, 2415110 Cost-effective spare parts and accessories without compromising on quality - this is our vhbw promise to you.