Replacement filter for the gas18v-3 and GAS18V-10L - simple to install, washable HEPA filter Hepa filter - captures 99. 97% of particles 0. 3 microns and larger Sustained suction - delivered by the vacuum's rotational airflow technology, for superior performance due to a special rotation structure within the Vacuum cleaner Universal Fit: Compatible with for Bosch VF320H 18V wet/dry vacuum. Long-Lasting Performance: High quality microfiber material and sturdy construction provide maximum filtration capacity and longevity of use. Easy Installation: Slides quickly into place without tools for a tight seal and optimal airflow. Please note: the physical slightly color difference or difference, does not affect the use, please do not mind, thank you! Colour:Photo Color Material:plastic Package Contents: 2 x Vacuum Filter Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.