General description Set of 5 HEPA filters designed for Nilfisk Alto vacuum cleaners, including models GD 930 S 2 Cubic, GD 936, GD 940, GD 945, and GD 930 S2. These filters enhance suction capacity and effectively filter out dust, animal hairs, and allergens, making them ideal for allergy sufferers. They feature a larger surface area compared to standard filters, ensuring efficient filtration of even the smallest particles. Technical specifications Outer diameter: 374 mm Diameter opening: 117.3 mm Height: 4 cm Material: plastic / microfleece Weight per filter: 628 g Form: round Colour: grey / white Compatibility and accessories Compatible with Nilfisk Alto models: GD 930 S 2 Cubic, GD 936, GD 940, GD 945, GD 930 S2 Replacement for part numbers: 1402666010, 140 2666 010