INCLUDES 3 replacement filters (part 49-90-1900) to help capture particles that could harm the motor and decrease performance. COMPATIBILITY: for wet dry vacs models 0880-20, 0880-20P, 0970-20 and M12 wet dry vacs models 0960-20, 0960-21. perfect for capturing sawdust, general debris, cold ashes, drywall sanding and fine powders found in the home, garage, or shop. EASY INSTALLATION, no tools or hardware needed. Change filter when vacuum performance decreases, when your has a clogged or dirty air filter it can cause it to work harder which will end up hurting your electric bill. Color: Red and White Material: plastic Package Contents: 3 x Hepa Filters 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.