Campbell Hausfeld VT042500AV Filter Genuine Original Equipment Manufacturer (OEM) Part This part is compatible with models including; VT633500,VT6333,WL340003,VT633300,EX840100,VT627504,WL350002,WL302700,VT619504,WL301502,VT631402,VT6329,VT632900 This is a manufacturer substitution. Part may differ in appearance but is a functional equivalent to prior parts including; ST128500AV Genuine Original Equipment Manufacturer (OEM) part. Compatible Brands: Campbell Hausfeld 121216