The MWC2412s Stainless Steel Combo Wash Along / Front Straight & Rear Offset Wraparound Washer is designed for superior cleaning coverage on the top, front, side and rear of the vehicle. This Combo unit uses two sets of wrap washers with an overhead front to rear 4-basket mitting curtain. With a 304 Stainless Steel structure this unit offers you long life, strength and attractiveness. There is a lot of cleaning power within the short amount of tunnel space. This unit will accept either PE118 or PE128 or TW960 or WW960 underneath the mitting curtain.