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 vac has a clogged or dirty air filter it can cause it to work harder which end up hurting your electric bill. Color: Red & 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.