Compatible replacement HEPA post and exhaust filter for Dyson DC25 upright vacuums. This washable filter traps fine dust, allergens, and microscopic particles to maintain superior air filtration throughout your home. Unlike single-use filters, this durable component can be cleaned and reinstalled repeatedly, offering long-term value and reduced waste. Proper filter maintenance is essential for preserving suction power and protecting your vacuum's motor. Ideal for households prioritizing both performance and environmental responsibility.