2-1/2" - 6" 975 RV Rubber Kit With Spring SKU: RK212-975 $184.00 Login for better price Select Quantity -+ Add to Cart Additional DetailsResourcesManufacturer: Wilkins Size: 2 1/2 Inch, 3 Inch Product model: 975 , 975DA Installation and Maintenance Instructions Specification Sheet Repair Parts Guide Zurn Wilkins Backflow Prevention 975XL - How to Repair Zurn Wilkins Backflow Prevention - How to Troubleshoot Relief Valve Discharge