Feature●Size: 3/4"-1"●Model Number: RK34-975XLC●This Repair set fits for model 3/4 Inch to 1 Inch 975XL and 975XL2●Including: No. 1 and No. 2 check seal ring, No. 1 and No. 2 check spring, relief valve rubber components, relief valve spring, O-rings, poppets●Please confirm whether your model is suitable before buyingDescription 3/4"-1" Complete Repair Kit is an ideal backflow solution for many applications, including but not limited to plumbing, irrigation, extinguishing, and waterworks.