VF3700 Filter Wet Application Foam Filter simply snaps on or off the shop vacuum for easy cleaning and to quickly switch filter options. Compatible with for filter and filter sizes. Package Include 2pc Replacement Wet Application Foam Filter for VF3500. Change every 1-6months,replacing your filters regularly improve the cleaning performance and suction of your vacuum cleaner. The replacement VF3700 Filter can be washed and reused. Please note that there is a slight color difference or discrepancy in kind, it does not affect the use, please do not mind, thank you! Colour:As Shown Material:Plastic Package Contents: 2 * VF3700 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.