We have the Most Comfortable Cotton Blend Pillow & Mattress Encasings for Dust Mite Allergies and we're here to help make your life simpler and more enjoyable. AllerSoft feels like a 250 thread count For people who are not allergic to these dust mite allergens, steps to reduce exposure may reduce the chance of developing allergies. For those who are already allergic to dust mite allergens, steps to reduce exposure may decrease the frequency and severity of the symptoms of these diseases. Here to Order Allersoft Encasings Online Estimation zip code - 97818 editMethodEstimated DeliveryCostGround ShippingSep 30th - Oct 3rd$13.25Three DaySep 29th$17.98Second DaySep 28th$21.97Next Day AirSep 27th$31.98 Honeywell Duracraft Humidifier Filter - HAC-504V1These filters deploy a pre-filter system that significantly increases the amount of dust captured before entering the filter. The filter's material has been further reinforced to provide maximum efficiency while simultaneously extending lifespan.