Vacuum Filter Compatible with Bissell 1612637 & 1612631 Pet Hair Eraser Lift Off Combo Pack. Contains 1 Pre-Motor Filters and 1 Post Motor Filters. Replace this filter every 3 - 6 months. To Clean or replace the Pre-Motor Filters: Press the dirt container Release Button and pull away from vacuum. Twist tank cover to the unlock position then pull up on the handle. Pull down on the Pre-Motor filter to remove. There are three pieces to the Pre-Motor filter. All are washable. Be sure to dry all filter layers separately and they are fully dry before reassembling and returning to the vacuum. To Clean or replace this Pleated Post Motor Filter: Press the dirt container Release Button and pull container away from vacuum Remove Post-Motor Filter cover by pulling up on the tab Unlock the post-motor filter by twisting the tab counter-clockwise. Remove the post-motor filter. This filter can NOT be washed. If dust or debris accumulates, gently tap the filter on the inside of the trash bin. When reassembling, be sure to lock the filter back into place. Compatible with the Following Bissell Models: Pet Hair Eraser Lift-Off 2-in-1 Vacuum + TV Bonus 20871, Pet Eraser Lift Off Upright Pet Vacuum 2087, 20872, 20874, 20878, 2087Q. Replaces Part # 1612637 & 1612631. Packaging may vary. This is not a Bissell OEM product. The Bissell brand names and logos are the registered trademarks of their respective owners. Any use of the Bissell brand name or model designation for this product is made solely for purposes of demonstrating compatibility.