The GC MultiGas System comes with 3 different filter sets. Please see cost and filter life based on using the GC MultiGas System at speed 3, 10 hours per day on average: GC HyperHEPA Pre-Filter - $78.00 - 1 year GC MultiGas Cartridges: $295.00 - 2.5 years GC Post-Filter Sleeves: $95.00 - 2.5 years
Yes, the granular activated carbon & impregnated alumina media within the GC MultiGas Cartridges will help filter any airborne formaldehyde.
Hi Allie, per our vendor, this IQAir GC MultiGas HEPA Room Air Purifier, Light Gray does not have an estimated arrival for Homedepot.com at this point. However, if you would like to be notified with updates on the status of this item, you can enter your email address into the field provided on the product's page. We appreciate your business and look forward to serving you in the future. Thank you for shopping Home Depot!