Rain-X 860022 C22-1 Expert Fit Conventional Blades are designed for original equipment fit and performance. The new Rain-X Expert Fit blades are a great option for maintaining the wiper blade technology and design originally installed on the vehicle. For the last 40 years, Rain?X has provided drivers with products to help them outsmart the elements. All Rain?X products are designed to help keep our customers a confident step ahead of Mother Nature on the road.