Disposable White Fine Filters for Devilbiss Horizon LT and RPM models (4 Pack)Reusable Black Foam Filters (4 Pack) and Disposable Fine White Filters (4 Pack) are CPAP filters compatible for the Devilbiss CPAP machine models Horizon LT and RPM.Each pack contains four replacement filters.Reusable Black Foam Filters (4 Pack) Dimensions: 4 inches x 1 1/4 inchesDisposable Fine White Filters (4 Pack) Dimensions: 4 1/4 inches by 1 5/16 inchesManufacturer: Patient Sleep Supplies SKU: P80202-V Select Size: *Please selectReusable Black Foam (4 Pack) [+$9.95]Disposable Fine White (4 Pack) [+$9.95] $0.00 Qty: Add to cart Ship toSelect countryUnited States of AmericaUnited States of AmericaUnited States of America *Other *Shipping MethodNameEstimated DeliveryPriceNo shipping optionsApply Custom wishlist OKAdd to wishlistAdd to compare listEmail a friendCPAP FILTER, REUSABLE CPAP FILTER,FOAM FILTER,CPAP FILTER, DEVILBISS HORIZON LT FILTER, DEVILBISS HORIZON FILTER, DEVILBISS FILTER, RPM FILTER