Specification AgeRangeDescription : Adult Brand : PARI BulletPoint : Manufacturer: Salter Labs BulletPoint1 : Compatible with PARI Vios, Ultra II, Trek, and Trek S BulletPoint2 : Open on both ends type BulletPoint3 : Pack of 4 BulletPoint4 : From original manufacturer BulletPoint5 : resplabs Quality: Crafted by a brand dedicated to providing reliable CPAP cleaning, comfort, and power solutions. Color : Black CompatibleDevices : Soclean 2 CPAP Cleaning and Sanitizing Machine ConnectorType : NEMA Type A ContainsLiquidContents : 1 ExternallyAssignedProductIdentifier1 : 671875710150 ExternallyAssignedProductIdentifier2 : 0671875710150 ItemForm : Gel ItemName : Filters for PARI Vios, Ultra II, Trek, and Trek S Nebulizers (4-Filters Pack) ItemPackageDimensions_Height : 14.732 centimeters ItemPackageDimensions_Length : 2.032 centimeters ItemPackageDimensions_Width : 13.208 centimeters ItemPackageQuantity : 4 ItemTypeKeyword : cpap-accessories ItemVolume : 3 fluid_ounces Manufacturer : RespLabs Medical Inc. Material : Carbon Fiber ModelNumber : 38845 NumberOfBoxes : 1 NumberOfItems : 1 PartNumber : RL-CFKV3 ProductDescription : Filters compatible with PARI Vios, Ultra II, Trek, and Trek S Nebulizers (4-Filters Pack). These are open on both ends type. ProductExpirationType : Does Not Expire ProductSiteLaunchDate : 2018-03-01T08:00:00.000Z RecommendedUsesForProduct : Redness Reusability : Disposable Scent : Unscented Size : 4 Count (Pack of 1) SkinType : Sensitive SupplierDeclaredDgHzRegulation : unknown TargetGender : unisex UnitCount : 1 WaterResistanceLevel : not_water_resistant WebsiteShippingWeight : 0.054 kilograms