Superior dust holding capacity means longer life, improved equipment protection. Ideal for use in compact equipment. Staggered multi-layered slit and expanded aluminum sheets form thousands of highly effective dust and dirt holding baffles. Web-Lok frame design assures extra rigidity and durability. Easy washing, Meets UL Class 2 filter requirements. 24" x 24" x 2", #9157 $60.75, 10/$507.50 20" x 25" x 2", #9151 $39.50 20" x 20" x 2", #9152 $37.00 16" x 25" x 2", #9153 $37.75 16" x 20" x 2", #9154 $34.50 15" x 20" x 2", #9155 $34.00 10" x 20" x 2", #9156 $40.75, 10/$307.50 Schill's, llc 103 Curtis Street Arlington, WI 53911 Limited Hours Customer Service: 888-528-0225 Email: Info@Schills-Humidifier.com Fax: 608-592-3205 Manufacturer's Numbers: Aprilaire: 800-334-6011 Broan Fan/Heater Questions: 800-637-1453 Delta Faucet Questions: 800-345-3358 Grohe Faucet Questions: 630-582-7711 Hart & Cooley Questions: 616-656-8200 Kohler Faucet Questions: 800-456-4537 Moen Faucet Questions: 800-289-6636 Stiebel-Eltron: 800-582-8423