At a rating or MERV 13, this affordably priced two-pack of air filters for the Skuttle DB-20-20 air cleaner will capture 90% of particles and allergens as small as one micron. These filters are comparable to the 255649-103 and 259112-103 models from Trion / Air Bear, and will last for up to six full months of use. Proudly made in the USA using the most eco-friendly, recycled materials, whenever possible. Get perhaps the cleanest indoor air possible in your home by adding this two-pack of Tier1 air filters, comparable to the 255649-103 and 259112-103 models from Trion / Air Bear, to your cart now. Order today.