Set of 4 suction bags - Podolog Nova Pro/SE General features: • Eliminates 99.9% of all particles and ensures a hygienic working environment. • The integrated activated carbon layer reliably reduces unpleasant odors. • Durable filter: up to 150 treatments. • Quick and easy change. • Dimensions: L/H/D: 18/12.5/2 cm • 2-year warranty. Regular replacement is recommended as soon as the bag reaches a fill level of 80%, but no later than when it is fully used (100%).