Check Assembly #2, Repair Kit, 2 1/2"-4

Backflow Preventer Repair Kit, For Use With Model 350, 4 In., Model 350ADA, 2-1/2 In., 3 In. and 4 In., Model 375, 4 In., Model 375A, 2-1/2 In., 3 In. and 4 In., Model 450, 4 In., Model 475, 4 In., Includes (2) Check Assembly, Lubricant, Retainers