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
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