Material: sponge. The Perfect Gift: You can give it to your friends or family.
This product would be ideal for homeowners using a Holmes 4 piece air filter system, such as the Hap2400, Hap242, Hap424, or Hap1200 models.
4 Pieces Air Filter Sponge Durable for Holmes Hap2400 Hap242 Hap424
4 Pieces Activated Filter ,Direct Replaces Tool Sponge Aquarium Rectangle Air
4-Piece Air Filter High-Efficiency Easy-To-Use Replacement Filter For
AIRTOK Air Purifiers, Air Purifier for Bedroom Home with Aromatherapy Sponge, 4-Stage Air Filter Removes 99.97% of Dust, Pollen and Ultrafine Particles, H13 HEPA Air Purifiers with Timer, Night Light
4 Pieces Activated Carbon Filter ,Direct Replaces Tool Sponge Aquarium Rectangle
4 Pieces Carbon Activated Filter Durable Tool for Holmes Hap2400 Hap242
