Holmes Air Purifiers HAP424 Series Compatible Replacement Carbon Pre/Post Filter by Filter Everything - 4-1/4 x 9-1/2 x 1/4 - (6-Pack) Dacor Compatible Dimensions measure 11-3/4 x 17-1/4

Dimensions measure 11-3/4 x 17-1/4 x 3/8 inches

carbon filters should be replaced every 6-9 months

Replacement aluminum range filters made by Filter Everything and compatible with Nutone 24651-000

Replacement carbon range filter made by Filter Everything and compatible with GE WB2X9761

Dimensions for 10-11/16 x 23-13/16 x 3/8

Holmes Air Purifiers HAP424 Series Compatible Replacement Carbon Pre/Post Filter by Filter Everything - 4-1/4 x 9-1/2 x 1/4 - (6-Pack) Dacor Compatible Dimensions measure 11-3/4 x 17-1/4Replacement Carbon Pre Post filter made by Filter Everything and compatible with Holmes Air Purifiers HAP424 Series. Dimensions measure 1 1 4 x 9 1 2 x 1 4. Sold as a 6 Pack. Our filters are manuctured to meet or exceed OEM quality and are fully compatible with the name brand (OEM) model. Aluminum filters should be cleaned every 60 90 days; carbon filters should be replaced every 6 9 months. Proudly packed and shipped from our facility near Cleveland,